On the basis of assessment of current market conditions, Reserve Bank of India has decided to open a forex swap window to meet the entire daily dollar requirements of three public sector oil marketing companies (IOC, HPCL and BPCL). Under the swap facility, Reserve Bank will undertake sell/buy USD-INR forex swaps for fixed tenor with the oil marketing companies through a designated bank. The swap facility gets operationalized with immediate effect and will remain in place until further notice.