Thus far in the month of April, Nifty India Defence index has outperformed the market by surging 8 per cent, as against 3 per cent gain in Nifty 50.Thus far in the month of April, Nifty India Defence index has outperformed the market by surging 8 per cent, as against 3 per cent gain in Nifty 50. Latest News [ SOBAN NEWS: International and National ]