Contact UsBPOIndia.org - a very informational non-profit site run by Indian lawyers and accountants. Check out their resources page and their list of companies.
Nasscom – India’s National Association of Software and Service Companies
Outsourcing Center – an internet portal on outsourcing information
Outsourcing Central - an internet portal on outsourcing information
The Outsourcing Institute - professional association
Ross Research - an outsourcing research firm
SBPOA - Shared Services and Business Process Outsourcing Association
STPI - Software Technology Parks of India