Which is manufactured at Avadi (abbreviation for 'Armoured Vehicles and Ammunition Depot of India') town in Tamilnadu ?

Question

Name the diesel-electric submarines which was built by French-designed at the state-run Mazgaon docks in Mumbai and launched into water.
SCORPENE CLASS
SINDHUGHOSH CLASS
SHISHUMAR CLASS
ARIHANT CLASS

Answer 1

The following items are manufactured at AVADI in Tamilnadu:
1. Vijayantas and T-72 tanks.
2. India's main battle tank Arjun
3. T-90s.

Src: http://en.wikipedia.org/wiki/Heavy_Vehicles_Factory