Sinha, a 1983-batch IPS officer of Bihar cadre, is at present special director in the Intelligence Bureau.
The Appointments Committee of the Cabinet has approved his appointment to the post, according to an order issued by the Department of Personnel and Training (DoPT).
He has been appointed in place of A R K Kini, who retires on November 30.
The secretary (security) is the administrative head of the Special Protection Group (SPG) and is responsible for closely monitoring the security arrangements for Prime Minister Narendra Modi, former prime ministers and members of their immediate families in India and abroad.
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