State Bank of India, the largest commercial bank in India, has decided to raise interest rates on home loans by 25-75 basis points from March 1, joining other banks as cost of funds rise in the fast growing economy.Floating rate home loans for up to five years would rise by 50 basis points, and for loans between five and 15 years will be 8.75 per cent. Fixed-rate loans for up to five years will go up to 9.25 per cent, and for five to 10 years to 9.5 per cent from 9 per cent.