The Patna Police SIT probing the Bihar Staff Selection Commission (BSSC) paper leak suspects the involvement of another IAS officer in the case. Police officials, though, have refused to reveal the name of the officer under the scanner. Further, the state General Administration Department has suspended IAS officer Sudhir Kumar as BSSC chairman. Kumar was arrested last week for allegedly leaking to his relatives question papers for a BSSC examination for recruitment of clerks and assistants. Undeterred by alleged police hamhandedness. the Bihar chapter of IAS Officers' Association is continuing its protest against Kumar's arrest. Its demand for a CBI probe into the case has been backed by the central IAS Officers' Association. State IAS officers have cited the case of their colleague Jitendra Gupta, who was arrested by Kaimur police in 2014 on charges of accepting a bribe from truckers as Mohania sub-divisional officer. Later, the Patna High Court gave him a clean chit and ordered the quashing of the FIR against him. The Supreme Court recently upheld the order. "The Jitendra Gupta case is a brilliant case of Bihar police framing an IAS officer. We have no trust in the SIT and want the case to be handed over to CBI," said a senior IAS officer.