Litigation advocate in chennai

Dear,

Am looking for a reputed  "Advocate" or "Law Firm"  in Chennai to handle Potential Suit for - Outstanding Debt recovery (approx 2million $ ) to be filed by a  Company set up in the Middle East, against a Company in Chennai (defaulting party)

Appreciate any valuable recomendations/referrals please.

Thanks very much

regards,

zz