The effective rate of interest of SBIs new loan packages is still higher than the rate being charged by HDFC,an HDFC official claimed. The effective ROI for loans up to Rs 30 lakh is 9.35 per cent and for loans above Rs 30 lakh,the ROI is 10.09 per cent. HDFC charges 9.25 per cent for loans up to Rs 30 lakh and 9.75 per cent for loans above Rs 30 lakh, he said.