New Syllabus for B.E. Effective from 2013

Semester - 1 & 2

Code Short Name Subject Credit Lecture Practical Tutorial Theory Marks Practical Marks Total Marks
2110001 CHEMISTRY Chemistry 5 3 2 0 100 50 150
2110002 CS Communication Skills 4 2 2 0 100 50 150
2110003 CPU Computer Programming and Utilization 6 3 2 1 100 50 150
2110004 ECE Elements of Civil Engineering 6 4 2 0 100 50 150
2110005 EEE Elements of Electrical Engineering 6 4 2 0 100 50 150
2110006 EME Elements of Mechanical Engineering 6 4 2 0 100 50 150
2110007 ES Environmental Studies 3 3 0 0 100 0 100
2110011 PHYSICS Physics 5 3 2 0 100 50 150
2110012 WS Workshop 4 0 4 0 0 100 100
2110013 EG Engineering Graphics 6 2 4 0 100 50 150
2110014 CALCULUS Calculus 5 3 0 2 100 50 150
2110015 MATHS-II Vector Calculus and Linear Algebra 5 3 0 2 100 50 150
2110016 BE Basic Electronics 6 4 2 0 100 50 150
2110017 EEW Electrical and Electronics Workshop 4 0 4 0 0 100 100
2990001 CPD Contributor Personality Development 4 4 0 0 100 50 150

Semester - 3

Code Short Name Subject Credit Lecture Practical Tutorial Theory Marks Practical Marks Total Marks
2130002 AEM Advanced Engineering Mathematics 5 3 0 2 100 50 150
2130003 MOS Mechanics of Solids 6 4 2 0 100 50 150
2130005 DE-I Design Engineering - I 3 0 3 0 0 100 100
2132301 PMS Introduction to Plastics Material Science 6 3 3 0 100 50 150
2132302 MPM-I Manufacturing of Plastic Materials - 1 6 3 3 0 100 50 150
2132303 PMT Basic of Plastic Material Testing 7 4 3 0 100 50 150
2132604 AEC Advanced Engineering Chemistry (PAI) 6 4 2 0 100 50 150


Semester - 4

Code Short Name Subject Credit Lecture Practical Tutorial Theory Marks Practical Marks Total Marks
2140002 DE2 Design Engineering - I B 3 0 3 0 0 100 100
2140003 EEM Engineering Economics and Management 3 3 0 0 100 0 100
2142301 PPTE Basic Plastics Processing and Thermal Engineering 6 3 3 0 100 50 150
2142302 IHP Industrial Hydraulics and Pneumatics 6 3 3 0 100 50 150
2142303 ECPE Entrepreneurship and Creativity in Plastic Engineering 5 3 2 0 100 50 150
2142305 AMPI Applied Mathematics in Plastic Industry 5 3 0 2 100 50 150
2142306 MPM-II Manufacturing of Plastics Material-2 5 3 2 0 100 50 150

Semester - 5

Code Short Name Subject Credit Lecture Practical Tutorial Theory Marks Practical Marks Total Marks
2150001 DE-2A Design Engineering - II A 3 0 3 0 0 100 100
2150002 CS Cyber Security (Inst. Elec.) 3 0 2 1 0 100 100
2150003 DM Disaster Management (Inst. Elec.) 3 3 0 0 100 0 100
2152301 IMT Injection Molding Technologies 6 3 3 0 100 50 150
2152303 PRWT Plastics Recycling and Waste Treatment 5 3 2 0 100 50 150
2152305 Seminar Seminar-1 4 0 4 0 0 100 100
2152306 CPM Chemistry of Plastic Materials 5 3 2 0 100 50 150
2152307 PET Plastic Extrusion Technology 5 3 2 0 100 50 150

Semester - 6

Code Short Name Subject Credit Lecture Practical Tutorial Theory Marks Practical Marks Total Marks
2160001 DE-II Design Engineering - II B 3 0 3 0 0 100
2162303 PPIPC Plastic Process Instrumentation and Process Control 5 3 2 0 100 50
2162304 PRER Polymer Reaction Engineering and Rheology 5 3 2 0 100 50
2162306 SEMINAR-2 Seminar-2 4 0 4 0 0 100
2162307 TIPM Testing and Identification of Plastic Materials 5 3 2 0 100 50
2162308 APP Advance Plastics Processing 5 3 2 0 100 50
2162310 PPT Plastic Packaging Technology 6 3 3 0 100 50
2162311 BP Biopolymers 6 3 3 0 100 50

Semester - 7

Code Short Name Subject Credit Lecture Practical Tutorial Theory Marks Practical Marks Total Marks
2170001 Project Project 4 0 4 0 0 150 150
2172302 PMDD Plastics Mold & Die Design 5 3 2 0 100 50 150
2172303 ACP Additive and Compounding of Plastics 5 3 2 0 100 50 150
2172306 AS Adhesive and sealants 6 3 3 0 100 50 150
2172307 FTC FRP Technology and composites 5 3 2 0 100 50 150
2172308 SPA Specialty Plastics & applications 5 3 2 0 100 50 150
2172309 PSPR Plastic Structure property relationship 6 3 3 0 100 50 150

Semester - 8

Code Short Name Subject Credit Lecture Practical Tutorial Theory Marks Practical Marks Total Marks
2182302 PAB Polymer Alloys and Blends 5 3 2 0 100 50 150
2182306 PROJECT Project-2 8 0 8 0
2182307 APMD Advanced Plastic Mould Design 6 3 3 0 100 50 150
2182308 PPD Plastic Product Design 5 3 2 0 100 50 150
2182309 NPT Nano Polymer Technology (Dept Elec - III) 6 3 3 0 100 50 150
2182310 MMT Mold Manufacturing Technology (Dept Elec - III) 6 3 3 0 100 50 150


Semester - 1 & 2

2110001 - CHEMISTRY

Chemistry

Credit : 5 (L-3, P-2, T-0)

Mark : 150 (T-100, P-50)

2110002 - CS

Communication Skills

Credit : 4 (L-2, P-2, T-0)

Mark : 150 (T-100, P-50)

2110003 - CPU

Computer Programming and Utilization

Credit : 6 (L-3, P-2, T-1)

Mark : 150 (T-100, P-50)

2110004 - ECE

Elements of Civil Engineering

Credit : 6 (L-4, P-2, T-0)

Mark : 150 (T-100, P-50)

2110005 - EEE

Elements of Electrical Engineering

Credit : 6 (L-4, P-2, T-0)

Mark : 150 (T-100, P-50)

2110006 - EME

Elements of Mechanical Engineering

Credit : 6 (L-4, P-2, T-0)

Mark : 150 (T-100, P-50)

2110007 - ES

Environmental Studies

Credit : 3 (L-3, P-0, T-0)

Mark : 100 (T-100, P-0)

2110011 - PHYSICS

Physics

Credit : 5 (L-3, P-2, T-0)

Mark : 150 (T-100, P-50)

2110012 - WS

Workshop

Credit : 4 (L-0, P-4, T-0)

Mark : 100 (T-0, P-100)

2110013 - EG

Engineering Graphics

Credit : 6 (L-2, P-4, T-0)

Mark : 150 (T-100, P-50)

2110014 - CALCULUS

Calculus

Credit : 5 (L-3, P-0, T-2)

Mark : 150 (T-100, P-50)

2110015 - MATHS-II

Vector Calculus and Linear Algebra

Credit : 5 (L-3, P-0, T-2)

Mark : 150 (T-100, P-50)

2110016 - BE

Basic Electronics

Credit : 6 (L-4, P-2, T-0)

Mark : 150 (T-100, P-50)

2110017 - EEW

Electrical and Electronics Workshop

Credit : 4 (L-0, P-4, T-0)

Mark : 100 (T-0, P-100)

2990001 - CPD

Contributor Personality Development

Credit : 4 (L-4, P-0, T-0)

Mark : 150 (T-100, P-50)

Semester - 3

2130002 - AEM

Advanced Engineering Mathematics

Credit : 5 (L-3, P-0, T-2)

Mark : 150 (T-100, P-50)

2130003 - MOS

Mechanics of Solids

Credit : 6 (L-4, P-2, T-0)

Mark : 150 (T-100, P-50)

2130005 - DE-I

Design Engineering - I

Credit : 3 (L-0, P-3, T-0)

Mark : 100 (T-0, P-100)

2132301 - PMS

Introduction to Plastics Material Science

Credit : 6 (L-3, P-3, T-0)

Mark : 150 (T-100, P-50)

2132302 - MPM-I

Manufacturing of Plastic Materials - 1

Credit : 6 (L-3, P-3, T-0)

Mark : 150 (T-100, P-50)

2132303 - PMT

Basic of Plastic Material Testing

Credit : 7 (L-4, P-3, T-0)

Mark : 150 (T-100, P-50)

2132604 - AEC

Advanced Engineering Chemistry (PAI)

Credit : 6 (L-4, P-2, T-0)

Mark : 150 (T-100, P-50)



Semester - 4

2140002 - DE2

Design Engineering - I B

Credit : 3 (L-0, P-3, T-0)

Mark : 100 (T-0, P-100)

2140003 - EEM

Engineering Economics and Management

Credit : 3 (L-3, P-0, T-0)

Mark : 100 (T-100, P-0)

2142301 - PPTE

Basic Plastics Processing and Thermal Engineering

Credit : 6 (L-3, P-3, T-0)

Mark : 150 (T-100, P-50)

2142302 - IHP

Industrial Hydraulics and Pneumatics

Credit : 6 (L-3, P-3, T-0)

Mark : 150 (T-100, P-50)

2142303 - ECPE

Entrepreneurship and Creativity in Plastic Engineering

Credit : 5 (L-3, P-2, T-0)

Mark : 150 (T-100, P-50)

2142305 - AMPI

Applied Mathematics in Plastic Industry

Credit : 5 (L-3, P-0, T-2)

Mark : 150 (T-100, P-50)

2142306 - MPM-II

Manufacturing of Plastics Material-2

Credit : 5 (L-3, P-2, T-0)

Mark : 150 (T-100, P-50)

Semester - 5

2150001 - DE-2A

Design Engineering - II A

Credit : 3 (L-0, P-3, T-0)

Mark : 100 (T-0, P-100)

2150002 - CS

Cyber Security (Inst. Elec.)

Credit : 3 (L-0, P-2, T-1)

Mark : 100 (T-0, P-100)

2150003 - DM

Disaster Management (Inst. Elec.)

Credit : 3 (L-3, P-0, T-0)

Mark : 100 (T-100, P-0)

2152301 - IMT

Injection Molding Technologies

Credit : 6 (L-3, P-3, T-0)

Mark : 150 (T-100, P-50)

2152303 - PRWT

Plastics Recycling and Waste Treatment

Credit : 5 (L-3, P-2, T-0)

Mark : 150 (T-100, P-50)

2152305 - Seminar

Seminar-1

Credit : 4 (L-0, P-4, T-0)

Mark : 100 (T-0, P-100)

2152306 - CPM

Chemistry of Plastic Materials

Credit : 5 (L-3, P-2, T-0)

Mark : 150 (T-100, P-50)

2152307 - PET

Plastic Extrusion Technology

Credit : 5 (L-3, P-2, T-0)

Mark : 150 (T-100, P-50)

Semester - 6

2160001 - DE-II

Design Engineering - II B

Credit : 3 (L-0, P-3, T-0)

Mark :  (T-0, P-100)

2162303 - PPIPC

Plastic Process Instrumentation and Process Control

Credit : 5 (L-3, P-2, T-0)

Mark :  (T-100, P-50)

2162304 - PRER

Polymer Reaction Engineering and Rheology

Credit : 5 (L-3, P-2, T-0)

Mark :  (T-100, P-50)

2162306 - SEMINAR-2

Seminar-2

Credit : 4 (L-0, P-4, T-0)

Mark :  (T-0, P-100)

2162307 - TIPM

Testing and Identification of Plastic Materials

Credit : 5 (L-3, P-2, T-0)

Mark :  (T-100, P-50)

2162308 - APP

Advance Plastics Processing

Credit : 5 (L-3, P-2, T-0)

Mark :  (T-100, P-50)

2162310 - PPT

Plastic Packaging Technology

Credit : 6 (L-3, P-3, T-0)

Mark :  (T-100, P-50)

2162311 - BP

Biopolymers

Credit : 6 (L-3, P-3, T-0)

Mark :  (T-100, P-50)

Semester - 7

2170001 - Project

Project

Credit : 4 (L-0, P-4, T-0)

Mark : 150 (T-0, P-150)

2172302 - PMDD

Plastics Mold & Die Design

Credit : 5 (L-3, P-2, T-0)

Mark : 150 (T-100, P-50)

2172303 - ACP

Additive and Compounding of Plastics

Credit : 5 (L-3, P-2, T-0)

Mark : 150 (T-100, P-50)

2172306 - AS

Adhesive and sealants

Credit : 6 (L-3, P-3, T-0)

Mark : 150 (T-100, P-50)

2172307 - FTC

FRP Technology and composites

Credit : 5 (L-3, P-2, T-0)

Mark : 150 (T-100, P-50)

2172308 - SPA

Specialty Plastics & applications

Credit : 5 (L-3, P-2, T-0)

Mark : 150 (T-100, P-50)

2172309 - PSPR

Plastic Structure property relationship

Credit : 6 (L-3, P-3, T-0)

Mark : 150 (T-100, P-50)

Semester - 8

2182302 - PAB

Polymer Alloys and Blends

Credit : 5 (L-3, P-2, T-0)

Mark : 150 (T-100, P-50)

2182306 - PROJECT

Project-2

Credit : 8 (L-0, P-8, T-0)

Mark :  (T-, P-)

2182307 - APMD

Advanced Plastic Mould Design

Credit : 6 (L-3, P-3, T-0)

Mark : 150 (T-100, P-50)

2182308 - PPD

Plastic Product Design

Credit : 5 (L-3, P-2, T-0)

Mark : 150 (T-100, P-50)

2182309 - NPT

Nano Polymer Technology (Dept Elec - III)

Credit : 6 (L-3, P-3, T-0)

Mark : 150 (T-100, P-50)

2182310 - MMT

Mold Manufacturing Technology (Dept Elec - III)

Credit : 6 (L-3, P-3, T-0)

Mark : 150 (T-100, P-50)

Subjects as per Old Syllabus (Syllabus upto 2013)

Semester - 1 & 2

Code Short Name Subject Credit Lecture Practical Tutorial Theory Marks Practical Marks Total Marks
2182302 PAB Polymer Alloys and Blends 5 3 2 0 100 50 150
2182306 PROJECT Project-2 8 0 8 0
2182307 APMD Advanced Plastic Mould Design 6 3 3 0 100 50 150
2182308 PPD Plastic Product Design 5 3 2 0 100 50 150
2182309 NPT Nano Polymer Technology (Dept Elec - III) 6 3 3 0 100 50 150
2182310 MMT Mold Manufacturing Technology (Dept Elec - III) 6 3 3 0 100 50 150

Semester - 3

Code Short Name Subject Credit Lecture Practical Tutorial Theory Marks Practical Marks Total Marks
2182302 PAB Polymer Alloys and Blends 5 3 2 0 100 50 150
2182306 PROJECT Project-2 8 0 8 0
2182307 APMD Advanced Plastic Mould Design 6 3 3 0 100 50 150
2182308 PPD Plastic Product Design 5 3 2 0 100 50 150
2182309 NPT Nano Polymer Technology (Dept Elec - III) 6 3 3 0 100 50 150
2182310 MMT Mold Manufacturing Technology (Dept Elec - III) 6 3 3 0 100 50 150

Semester - 4

Code Short Name Subject Credit Lecture Practical Tutorial Theory Marks Practical Marks Total Marks
2182302 PAB Polymer Alloys and Blends 5 3 2 0 100 50 150
2182306 PROJECT Project-2 8 0 8 0
2182307 APMD Advanced Plastic Mould Design 6 3 3 0 100 50 150
2182308 PPD Plastic Product Design 5 3 2 0 100 50 150
2182309 NPT Nano Polymer Technology (Dept Elec - III) 6 3 3 0 100 50 150
2182310 MMT Mold Manufacturing Technology (Dept Elec - III) 6 3 3 0 100 50 150

Semester - 5

Code Short Name Subject Credit Lecture Practical Tutorial Theory Marks Practical Marks Total Marks
2182302 PAB Polymer Alloys and Blends 5 3 2 0 100 50 150
2182306 PROJECT Project-2 8 0 8 0
2182307 APMD Advanced Plastic Mould Design 6 3 3 0 100 50 150
2182308 PPD Plastic Product Design 5 3 2 0 100 50 150
2182309 NPT Nano Polymer Technology (Dept Elec - III) 6 3 3 0 100 50 150
2182310 MMT Mold Manufacturing Technology (Dept Elec - III) 6 3 3 0 100 50 150

Semester - 6

Code Short Name Subject Credit Lecture Practical Tutorial Theory Marks Practical Marks Total Marks
2182302 PAB Polymer Alloys and Blends 5 3 2 0 100 50 150
2182306 PROJECT Project-2 8 0 8 0
2182307 APMD Advanced Plastic Mould Design 6 3 3 0 100 50 150
2182308 PPD Plastic Product Design 5 3 2 0 100 50 150
2182309 NPT Nano Polymer Technology (Dept Elec - III) 6 3 3 0 100 50 150
2182310 MMT Mold Manufacturing Technology (Dept Elec - III) 6 3 3 0 100 50 150

Semester - 7

Code Short Name Subject Credit Lecture Practical Tutorial Theory Marks Practical Marks Total Marks
2182302 PAB Polymer Alloys and Blends 5 3 2 0 100 50 150
2182306 PROJECT Project-2 8 0 8 0
2182307 APMD Advanced Plastic Mould Design 6 3 3 0 100 50 150
2182308 PPD Plastic Product Design 5 3 2 0 100 50 150
2182309 NPT Nano Polymer Technology (Dept Elec - III) 6 3 3 0 100 50 150
2182310 MMT Mold Manufacturing Technology (Dept Elec - III) 6 3 3 0 100 50 150

Semester - 8

Code Short Name Subject Credit Lecture Practical Tutorial Theory Marks Practical Marks Total Marks
2182302 PAB Polymer Alloys and Blends 5 3 2 0 100 50 150
2182306 PROJECT Project-2 8 0 8 0
2182307 APMD Advanced Plastic Mould Design 6 3 3 0 100 50 150
2182308 PPD Plastic Product Design 5 3 2 0 100 50 150
2182309 NPT Nano Polymer Technology (Dept Elec - III) 6 3 3 0 100 50 150
2182310 MMT Mold Manufacturing Technology (Dept Elec - III) 6 3 3 0 100 50 150

Semester - 1 & 2

2182302 - PAB

Polymer Alloys and Blends

Credit : 5 (L-3, P-2, T-0)

Mark : 150 (T-100, P-50)

2182306 - PROJECT

Project-2

Credit : 8 (L-0, P-8, T-0)

Mark :  (T-, P-)

2182307 - APMD

Advanced Plastic Mould Design

Credit : 6 (L-3, P-3, T-0)

Mark : 150 (T-100, P-50)

2182308 - PPD

Plastic Product Design

Credit : 5 (L-3, P-2, T-0)

Mark : 150 (T-100, P-50)

2182309 - NPT

Nano Polymer Technology (Dept Elec - III)

Credit : 6 (L-3, P-3, T-0)

Mark : 150 (T-100, P-50)

2182310 - MMT

Mold Manufacturing Technology (Dept Elec - III)

Credit : 6 (L-3, P-3, T-0)

Mark : 150 (T-100, P-50)

Semester - 3

2182302 - PAB

Polymer Alloys and Blends

Credit : 5 (L-3, P-2, T-0)

Mark : 150 (T-100, P-50)

2182306 - PROJECT

Project-2

Credit : 8 (L-0, P-8, T-0)

Mark :  (T-, P-)

2182307 - APMD

Advanced Plastic Mould Design

Credit : 6 (L-3, P-3, T-0)

Mark : 150 (T-100, P-50)

2182308 - PPD

Plastic Product Design

Credit : 5 (L-3, P-2, T-0)

Mark : 150 (T-100, P-50)

2182309 - NPT

Nano Polymer Technology (Dept Elec - III)

Credit : 6 (L-3, P-3, T-0)

Mark : 150 (T-100, P-50)

2182310 - MMT

Mold Manufacturing Technology (Dept Elec - III)

Credit : 6 (L-3, P-3, T-0)

Mark : 150 (T-100, P-50)

Semester - 4

2182302 - PAB

Polymer Alloys and Blends

Credit : 5 (L-3, P-2, T-0)

Mark : 150 (T-100, P-50)

2182306 - PROJECT

Project-2

Credit : 8 (L-0, P-8, T-0)

Mark :  (T-, P-)

2182307 - APMD

Advanced Plastic Mould Design

Credit : 6 (L-3, P-3, T-0)

Mark : 150 (T-100, P-50)

2182308 - PPD

Plastic Product Design

Credit : 5 (L-3, P-2, T-0)

Mark : 150 (T-100, P-50)

2182309 - NPT

Nano Polymer Technology (Dept Elec - III)

Credit : 6 (L-3, P-3, T-0)

Mark : 150 (T-100, P-50)

2182310 - MMT

Mold Manufacturing Technology (Dept Elec - III)

Credit : 6 (L-3, P-3, T-0)

Mark : 150 (T-100, P-50)

Semester - 5

2182302 - PAB

Polymer Alloys and Blends

Credit : 5 (L-3, P-2, T-0)

Mark : 150 (T-100, P-50)

2182306 - PROJECT

Project-2

Credit : 8 (L-0, P-8, T-0)

Mark :  (T-, P-)

2182307 - APMD

Advanced Plastic Mould Design

Credit : 6 (L-3, P-3, T-0)

Mark : 150 (T-100, P-50)

2182308 - PPD

Plastic Product Design

Credit : 5 (L-3, P-2, T-0)

Mark : 150 (T-100, P-50)

2182309 - NPT

Nano Polymer Technology (Dept Elec - III)

Credit : 6 (L-3, P-3, T-0)

Mark : 150 (T-100, P-50)

2182310 - MMT

Mold Manufacturing Technology (Dept Elec - III)

Credit : 6 (L-3, P-3, T-0)

Mark : 150 (T-100, P-50)

Semester - 6

2182302 - PAB

Polymer Alloys and Blends

Credit : 5 (L-3, P-2, T-0)

Mark : 150 (T-100, P-50)

2182306 - PROJECT

Project-2

Credit : 8 (L-0, P-8, T-0)

Mark :  (T-, P-)

2182307 - APMD

Advanced Plastic Mould Design

Credit : 6 (L-3, P-3, T-0)

Mark : 150 (T-100, P-50)

2182308 - PPD

Plastic Product Design

Credit : 5 (L-3, P-2, T-0)

Mark : 150 (T-100, P-50)

2182309 - NPT

Nano Polymer Technology (Dept Elec - III)

Credit : 6 (L-3, P-3, T-0)

Mark : 150 (T-100, P-50)

2182310 - MMT

Mold Manufacturing Technology (Dept Elec - III)

Credit : 6 (L-3, P-3, T-0)

Mark : 150 (T-100, P-50)

Semester - 7

2182302 - PAB

Polymer Alloys and Blends

Credit : 5 (L-3, P-2, T-0)

Mark : 150 (T-100, P-50)

2182306 - PROJECT

Project-2

Credit : 8 (L-0, P-8, T-0)

Mark :  (T-, P-)

2182307 - APMD

Advanced Plastic Mould Design

Credit : 6 (L-3, P-3, T-0)

Mark : 150 (T-100, P-50)

2182308 - PPD

Plastic Product Design

Credit : 5 (L-3, P-2, T-0)

Mark : 150 (T-100, P-50)

2182309 - NPT

Nano Polymer Technology (Dept Elec - III)

Credit : 6 (L-3, P-3, T-0)

Mark : 150 (T-100, P-50)

2182310 - MMT

Mold Manufacturing Technology (Dept Elec - III)

Credit : 6 (L-3, P-3, T-0)

Mark : 150 (T-100, P-50)

Semester - 8

2182302 - PAB

Polymer Alloys and Blends

Credit : 5 (L-3, P-2, T-0)

Mark : 150 (T-100, P-50)

2182306 - PROJECT

Project-2

Credit : 8 (L-0, P-8, T-0)

Mark :  (T-, P-)

2182307 - APMD

Advanced Plastic Mould Design

Credit : 6 (L-3, P-3, T-0)

Mark : 150 (T-100, P-50)

2182308 - PPD

Plastic Product Design

Credit : 5 (L-3, P-2, T-0)

Mark : 150 (T-100, P-50)

2182309 - NPT

Nano Polymer Technology (Dept Elec - III)

Credit : 6 (L-3, P-3, T-0)

Mark : 150 (T-100, P-50)

2182310 - MMT

Mold Manufacturing Technology (Dept Elec - III)

Credit : 6 (L-3, P-3, T-0)

Mark : 150 (T-100, P-50)