The Central Bureau of Investigation (CBI) filed its first chargesheet in the case related to the alleged leakage of confidential information from the Indian Navy about the modernisation of its Russian origin Kilo-class submarines.

According to sources, several serving and retired Navy officers have already been arrested in the case where money was paid for confidential information. Six persons have been named in the charge sheet including a serving Navy commander. CBI has filed the charge sheet before a special CBI judge in Rouse Avenue court.