G A Instruments (P) Ltd
No. 47, Narayana Mudali Street, 1st Floor, Global Tower
Chennai- 600079, Tamil Nadu (India)
Sportus
No. 110, 1st Floor, L. B. Road, Adyar
Chennai- 600020, Tamil Nadu (India)
White & Black Chess Academy
1, Vinayaka Nagar, Thoraipakkam L M - Serene Acres Apartments
Chennai- 600097, Tamil Nadu (India)
Anna Nagar Chess Academy
No. 1983/ 30, 15th Main Road, Anna Nagar West
Chennai- 600040, Tamil Nadu (India)