The State Government has increased 'Y' category security to CBI Joint Director V.V. Laxminarayana to view of the hightened threat perception. who is heading investigations into high profile cases, including an illegal assets case against YSR Congress party leader Y.S. Jaganmohan Reddy and the Sohrabuddin encounter case, a police source said Monday.

He would also be provided a bullet proof vehicle. Police security would also be provided at his office and residence. The official, however, refsed to divulge the number of armed guards posted at Lakshminarayana's residence and officer citing security reasons.

The decision by the Security Review Committee (SRC) came close on the heels of the chargesheet filed against Jaganmohan Reddy, an MP and son of late chief minister Y.S. Rajasekhara Reddy.

The CBI team headed by the joint director has already filed chargesheets in illegal mining case involving former Karnataka minister G. Janardhana Reddy in Emaar case.

Sohrabuddin encounter case involving top police officials of Gujarat and Rajasthan was entrusted to Laxminarayana last month.

Laxminarayana, a 1990 batch Indian Police Service (IPS) officer of Maharashtra cadre, also has jurisdiction over Karnataka.