Some banks have approached the Reserve Bank of India (RBI) after being directed to raise risk weights to 150% on some of their commercial real estate (CRE) exposures against the regular 100%. The observations to raise risk weights on certain CRE accounts were made during the third quarter inspection, said two executives aware of the developments. Risk weights determine the capital that banks have to set aside to cover credit risk; a higher risk weight leads to more capital requirement for a loan.