The Delhi Police made two more arrests in the corporate espionage case on Thursday, picking up aides of the environment ministry joint secretary and a UPSC member.
The government had earlier ordered security audits of official computers and security vetting of staff of major ministries and departments following the detection document thefts in the petroleum ministry.
It was also decided that present access control mechanism in the ministries and departments would undergo sweeping changes while electronic surveillance would be upgraded to ensure a “leak-proof” system, official sources said.
The people arrested on Thursday were Jitender Nagpal, personal secretary to joint secretary in the forest and environment ministry and Vipan Kumar, personal assistant to a Union Public Service Commission member.
A hunt is also on for two associates of Lokesh Sharma, one of the people already arrested in the case.
Cracking down on a suspected case of corporate espionage, the Delhi Police on Thursday last arrested two junior oil ministry officials and three other persons for allegedly leaking classified government documents to energy companies.
On Friday last week, two energy consultants Santanu Saikia and Prayas Jain and five senior executives from top energy firms RIL, Essar, Cairn India, Jubilant Energy ADAG Reliance were arrested.
A casual worker in the defence ministry has also been arrested for allegedly providing forged identity card to a key accused in the petroleum ministry leaks case.