New Delhi, Oct. 10 -- The Reserve Bank of India (RBI) on Saturday announced tighter regulations for rupee-linked foreign exchange (forex) derivatives to strengthen market discipline and ensure orderly trading amid evolving market conditions. It also opened a special window to meet the daily dollar requirements of three public sector oil marketing companies (OMCs).

The measures come amid pressure on the rupee against the US dollar. The RBI, however, said the regulatory changes were aimed at strengthening risk management and maintaining an orderly and transparent foreign exchange market.

Under the new directions, authorised dealers (ADs) will not be permitted to allow users to rebook rupee-linked forex derivative contracts that were cance...