Can India refuse to serve summons in the Pannun case?

The story so far: A U.S. court on November 9 permitted Khalistani separatist Gurpatwant Singh Pannun to serve summons on National Security Adviser Ajit Doval and former Research and Analysis Wing (RAW) chief Samant Kumar Goel through Indian courts, in connection with a civil lawsuit alleging a conspiracy to assassinate him. The lawsuit filed by Mr. Pannun, wanted in India on terror charges, is separate but linked to the U.S.

Federal Bureau of Investigation’s findings of an assassination plot against him in June 2023. How are summons served on defendants in India? TkcNBeIT U.S. serves diplomatic notice to India over Pannun assassination lawsuit U.S. serves diplomatic notice to India over Pannun assassination lawsuit The Hindu 102 16:9