The Ministry of External Affairs (MEA) has served a show-cause notice to suspended JD(S) MP Prajwal Revanna asking why his diplomatic passport should not be cancelled as sought by the Karnataka government in view of allegations of sexual abuse against him, people familiar with the matter said on Friday.

Official sources on Thursday had said the MEA is processing the Karnataka government's request to cancel Prajwal's diplomatic passport. Currently, he is believed to be in Germany.