No need to worry I will gather details of Hindustan Aeronautics Ltd and will also provide you Avionics Division, Hyderabad office address for you.

The Hindustan Aeronautics Ltd was setup in 1940 which involved in the operations of the aerospace industry like manufacturing and assembly of aircraft, navigation and related communication equipment and airports operation.

Production Units
Bangalore Complex
MiG Complex
Accessories Complex
Helicopter Complex

Services
Aircraft MRO
Helicopters MRO
Power Plant Services
Systems, Accessories and Avionics

Here is the address of division

Hindustan Aeronautics Ltd
Avionics Division, HAL Township, Bala Nagar, Hyderabad, Telangana 500042

Phone:-
040 2387 8281

Products
Aircraft
Helicopters
Future Products
Power Plant
Avionics
System and Accessories
Aerospace
Materials

Address:-
Hindustan Aeronautics Ltd
15/1 Cubbon Road
Bangalore 560 001
India

Phone:-
91 - 80 - 22320701, 22320903, 22320376