Left may give UPA a headache over N-deal

 "All international treaties on major issues should be ratified in Parliament," the CPI(M) leader said, adding that the Left would raise the nuclear issue in Parliament.

On the Pension Bill, Karat said the Left parties were opposed to the legislation in its present form. The supporting parties wanted that the fund managers should be from the public sector and the funds should not be invested in the stock market.