With the petroleum and finance ministries sparring over the estimated subsidy loss for oil marketing companies and export parity pricing, a truce was called at a meeting chaired by Prime Minister Manmohan Singh today.It was decided the current practice of trading parity pricing would be followed for the subsidy dole for the quarter ended March, but the future course would be decided after a committee under Kirit Parikh submitted its report within two months. At the meeting, it was decided the Parikh committee would be entrusted with looking into the export parity pricing issue. The Finance ministry agreed to pay Rs 45,000 crore as subsidy for the second half of 2012-13.