Rounded Rectangle: Air Frame Directorate (AF)
Rounded Rectangle: Major Design Features

Cost-effectiveness and weight saving achieved by use of  advanced composites which constitute 43% by weight of the airframe
Optimised Structural Design taking into account strength, buckling and Aero-Servo Elastic requirements for carriage of heavy external stores
Concurrent Design Practice leading to Digital Mock-Up	

Materials & Processes

Design, Fabrication and Qualification of Composite Radome and Drop Tanks
Indigenous availability of Type Approved materials for aircraft application now above 70%
Testing
Strength Test of Leading Edge Vortex CONtroller (LEVCON) for LCA Navy
Successful Flight trials with indigenously designed and qualified Composite Drop Tanks
Flight Flutter tests for Operational Clean and Heavy Stores Flight envelope expansion
Rounded Rectangle: Main Air Frame Static Test Rig
Rounded Rectangle: Scanning of Composite Wing Skin 
using Ultrasonic C-Scan System
Rounded Rectangle: Drop Tank Functional Test
Rounded Rectangle: LEVCON Strength  Test