India, Dec. 5 -- The national Capital has been placed under high alert ahead of the Babri demolition anniversary on December 6 and the Parliament attack anniversary on December 13.

The enhanced alert level has also been declared on December 4-5 in the wake of Russian President Vladimir Putin's visit. A multi-layered security grid has also been formed with SWAT teams, anti-terror units, snipers and quick-reaction teams stationed at sensitive points.

Anti-drone systems have been put in place and special teams deployed for aerial and signal-level monitoring of the Russian delegation. The Delhi Police have also intensified surveillance in sensitive areas. This means a multi-layer security system has been implemented in Delhi. Under this, stri...