Since they will be out of India, your best bet is to seek payment processors who are based in India itself. Granted they may not approve small businesses (a complain that I am hearing a lot), but you can certainly try, or build your e-commerce model along the COD, direct deposit model.
What is a reliable payment processing solution for a small online store?
Why is it difficult for merchants outside the U.S./EU to support international payments?1 ansIs there a company that lets you accept bank transfers globally or across several countries?1 ansWhat alternatives exist to 2Checkout for Pakistani ecommerce businesses facing high cross-border fees?1 ansDo U.S. companies use web-based electronic checks, and which payment gateways support them?1 ans