This apart, as DRDO works with technical educational institutions, a vigil is also kept on third parties.
Defence Research and Development Organisation
Defence Research and Development Organisation
Hyderabad: Scientists, engineers and employees working in the laboratories of the Defence Research and Development Organisation (DRDO) are kept under strict surveillance by their respective laboratory vigilance wings, in a joint operation with the state’s Intelligence Bureau.

A source in the DRDO explained, “Every lab has a designated vigilance team that keeps an eagle eye on an employee’s online activities. This apart, as DRDO works with technical educational institutions, a vigil is also kept on third parties. Secondly, stiff screening of foreign nationals visiting the laboratories is done; the reports are shared with the Intelligence Bureau."





Although, strict surveillance is in place, the arrested scientist was a soft target and went undetected until his spy partner spilled the beans.
Retired army officer and defence historian J.K. Sharma, said, “I am not surprised by the arrest or the security breach. We’ve had instances in the past as well.

But, the shocking part is a low-level BSF spy, Achyutanand Mishra actually revealing the names of the scientist who works in a completely different category of the nation’s defence wing. This gives an insight into a possible bigger spy-ring. Usually the enemy handlers do not disclose the names of spies while interacting with one spy. But this BSF man knew about the scientist and that is shocking. Either it is a lapse on the part of the ISI or a bigger spy network is still undetected.”

Another retired defence official who worked with the Defence signalling department said it is a failure of all avenues of vigilance of the lab and the IB.

"Usually, Indian intelligence agencies keep vigil through human, Signet (signal), and Elint (electronic) surveillance. Many times human intelligence (a shadow watch on the employee) provides the breakthrough, and then the signal and electronic leakages are detected. But this instance revealed the lapses in overall surveillance," he said.