New Delhi,  A Delhi court has sent three arrested Tihar Jail officials to judicial custody till August 17, in a case pertaining to the alleged murder of gangster Ankit Gujjar inside the jail last year.

Chief Metropolitan Magistrate Anjani Mahajan, in the order passed on Wednesday, noted the gravity of the offences as the court heard the application of the Investigating Officer seeking an extension of remand of the accused -- former Deputy Superintendent Narender Meena, suspended Assistant Superintendent Dinesh Dabas, and suspended Head Warder Deepak Chikara, who were arrested by the Central Bureau of Intelligence (CBI).

The IO also said that further investigation is going on in relation to Dabas and Chhikara, who were arrested few days ago, and supplementary report shall be filed expeditiously.

Meena was arrested two months before by the probe agency.

The court was also told that adequate measures have been taken up considering the apprehensions of jail officials, who alleged security threats from inmates.

"One personnel of Tamil Nadu Special Police has been deployed outside their cell round the clock and will accompany them when they are required to move outside their cell within the jail premises. Further, it is mentioned that special instructions have been given to jail officials concerned to provide adequate security to them," the court was told.

For their request for providing facility of separate van, a letter has been sent to DCP, it was apprised.

On August 4 last year, Gujjar was found dead with multiple injuries on his body inside the premises of Central Jail No 3. As per the court's directions, the investigation of the case was being conducted by the CBI.