New Delhi, May 4 -- The Kremlin has now installed surveillance systems in the homes of Russian President Vladimir Putin's close staffers. A wave of assassinations of top Russian military figures and fears of a coup have prompted the dramatic increase in his personal security, CNN reported Monday.

Citing a European intelligence agency report, Putin's cooks, bodyguards and photographers have been banned from travelling on public transport. Additionally, those coming to meet the Kremlin chief must be screened twice, while those working close to him are only allowed to use cell phones without internet access, the dossier said.

According to the report, some of the drastic measures were put in place in the last few months in the wake of the k...