Supreme Court of India: Database of judgments, including by Act or "free text" searching
SUPLIS: Database of Supreme Court caselaw from the Supreme Court Judges Library, including a subject search
SUPLIB: Database of Indian and other legal journal articles from the Supreme Court Judges Library, including by subject, journal, and title. Citations only.
LEGIS: Database of national acts from the Supreme Court Judges Library, . Citations and other information with links to the India Code Digital Repository.
India Code Digital Repository: Searchable database of consolidated central and state acts
Legal Information Institute of India: Database of Indian caselaw and statutes, including state
Indian Kanoon: Free database of Indian court judgments and tribunals, including state.
Lex Mundi's Guide to Doing Business in India (Lexis): Includes a chapter on Competition Law.