Try Dev Electronics, that's the chap I've dealt with.
Address: Rajesh Building, Lamington Road, Shop no.63, 1st floor, Mumbai 400 007
Phone: +91 22 6634 8154
email: develectronics@vsnl.net

The phone and email may not be current, but it's something to start with.

Gooroo Angshoo has even ordered drivers from them to be couriered to Delhi.
They appear to be trustworthy. But how you will buy from them without first
seeing the samples, I do not know.