Russian President Vladimir Putin today told troops to return to their permanent bases after calling a snap drill to check their battle-readiness last week.
After a higher start at 21,006.83, the BSE Sensex rose further to 230.60, up 1.10 per cent, at 21177.25 points at 1345 hrs as stocks of metal, consumer durables, banking, capital goods and power sectors led the rise.
The broad-based National Stock Exchange index Nifty too spurted by 71.55 points, or 1.15 per cent, to 6,293.00 after rising to 6,237.85 at the outset.
Some brokers said that trading sentiment turned better on the Russian reports and a firming trend on the other Asian bourses and a higher opening in the European market buoyed the sentiments.
Russia, however, has told the UNSC that Ukraine's deposed President Viktor Yanukovich had requested it to use Russian army to restore law and order and protect its people, an assertion rejected by Kiev which said the fugitive leader did not have authority to seek foreign help.
The powerful UN Security Council held an emergency meeting here yesterday for the third time in four days as the crisis in Ukraine escalated.