You can find them at Ritchie street chennai. It is located at I floor of the building ,where Supreme computers is located. I dont have the address but it is near the Maxine transformer dealer shop.
thanks svkndv and also murali_n. I had called up Golchha Intertrade today and this is quote I got...
M-Audio Studiophile AV 20 - 8600 + 12.5% Tax
M-Audio Studiophile AV 30 - 10700 + 12.5% Tax
M-Audio Studiophile AV 40 - 13500 + 12.5% Tax