Senior IAS Officer Tripurari Sharan Named New Bihar Chief Secretary Senior IAS Officer Tripurari Sharan Named New Bihar Chief Secretary Tripurari Sharan succeeded Arun Kumar Singh who died of COVID-19 the previous day. A 1985 batch IAS officer, Tripurari Sharan will retire from service on June 30 this year. Patna: Senior IAS officer Tripurari Sharan was on Saturday named as the new Chief Secretary of Bihar, but his tenure will be for a brief period of two months only, according to a government notification. Mr Sharan succeeded Arun Kumar Singh who died of COVID-19 the previous day. A 1985 batch IAS officer, Sharan will retire from service on June 30 this year.