Government remains silent on Nikhil Gupta's guilty plea in Pannun murder conspiracy as officials await New York court documents.

Nikhil Gupta faces up to 40 years over alleged India-backed attempt to kill Gurpatwant Singh Pannun

Prosecutors say plot to kill Sikh leader in US linked to Indian government employee, an allegation New Delhi denies.

Government remains silent on Nikhil Gupta's guilty plea in Pannun murder conspiracy as officials await New York court documents.