The director of Intelligence Bureau (Devanāgarī

Devanagari

Devanagari |deva]]" and "nāgarī" ), also called Nagari , is an abugida alphabet of India and Nepal...

: खुफिया ब्यूरो के निदेशक, Khufīya Bureau Ke Nīrdeshāk) simply known as DIB is the senior most post in Intelligence Bureau

Intelligence Bureau (India)

The Intelligence Bureau also known as IB is India's internal intelligence agency and reputedly the world's oldest intelligence agency. It was recast as the Central Intelligence Bureau in 1947 under the Ministry of Home Affairs...

 and the only four-star Indian Police Service

Indian Police Service

The Indian Police Service , simply known as Indian Police or IPS, is one of the three All India Services of the Government of India...

 rank in the country. The current director of Intelligence Bureau is Mr. Nehchal Sandhu.

Authority

Director IB (DIB) is a member of the Joint Intelligence Committee (JIC) and Steering Committee and has the authority to brief the prime minister

Prime Minister of India

The Prime Minister of India , as addressed to in the Constitution of India — Prime Minister for the Union, is the chief of government, head of the Council of Ministers and the leader of the majority party in parliament...

 should the need arise, but intelligence inputs (at least in theory) go through the regular channels in the Ministry of Home Affairs

Ministry of Home Affairs (India)

Ministry of Home Affairs , known as the Home Ministry or MHA, is an Indian government ministry. It is an interior ministry mainly responsible for the maintenance of Internal security and domestic policy.-Ministerial Team:...

 to the Joint Intelligence Committee.