New Delhi, March 12 -- The domestic equity indices surged over 1 per cent on Tuesday, with the BSE Sensex gaining over 400 points after the European Commission and the UK agreed to "legally binding" changes in the Brexit deal ahead of the vote in the British parliament.

The Nifty50 on the National Stock Exchange crossed the 11,250 mark during the day.

European Commission President Jean-Claude Juncker and British Prime Minister Theresa May on Monday said that they agreed to "clarifications and guarantees" regarding the Brexit provision to prevent the return of a hard border between the Irish Republic and the UK province of Northern Ireland.

The announcement has boosted all the major Asian markets.

In the domestic markets, higher inflow o...