The Supreme Court on Wednesday said retired top court judge Justice Indu Malhotra will head the committee to investigate Prime Minister Narendra Modi's security breach in Punjab last week.

A bench headed by Chief Justice N.V. Ramana and comprising Justices Surya Kant and Hima Kohli said the panel will inquire into causes of the security breach, persons responsible for the breach, and also measures to be taken in future to prevent security breach of the Prime Minister and other constitutional functionaries.