Institute of Systems Studies & Analysis (ISSA) is a laboratory of DRDO, specializes in systems analysis, modelling & simulation of defence systems using Computer Networking,

As you asking here I am telling about Institute of Systems Studies & Analysis (ISSA) DRDO work area :
Development of Computer Wargame Software for Land, Naval and Air Warfare
Sensors and Weapon Systems Modelling

Radar, EW, IW systems modeling and software development
Decision support
Combat modeling and simulation

Battlefield Damage Assessment

Vulnerability studies
Weapon performance modeling

Network Centric Warfare

Shared situation awareness algorithms
Information age combat models
Network centric integrated air defence concepts

Strategic Systems Studies and Analysis

Force mix studies
Strategic missile air defence
Threat assessment and strategic planning

Operational Analysis

Tactics development
Mission planning

Planning & Training Systems- Tactical & Strategic Decision Support

Air defence and electronic warfare simulation
Operational information dissemination

Reliability Analysis

Life Cycle Cost Analysis

Products/Technologies For Civil Sector Of Work
Use of information technology in the field of Planning & Systems Analysis, Modelling & Simulation.
Operational Research studies.
Consultancy for systems analysis.

Address
Institute of Systems Studies & Analyses (ISSA)
Defence Research and Development Organization (DRDO)
Ministry of Defence
Metcalfe House
Delhi -110 054
India
E-mail : director@issa.drdo.in