The Reserve Bank of India, RBI has decided to set up a working group to look into the whole gamut of pricing of loans. The working group will make its recommendations on the principles governing proper, transparent and non discriminatory pricing of credit.The panel is also expected to look into different rates for old and new loan customers. Speaking to our correspondent, the Apex bank's spokesperson said these measures are being taken to further improve customer's services.The Apex bank has expressed its concerns over the instances where the spread charged to a customer has been revised upward frequently during the tenure of the floating rate loan.RBI Governor D. Subbarao, in his Second Quarter Review of Monetary Policy 2011-12, has clearly stated that in a deregulated environment, transparency in pricing assumes greater significance.