Complaint against rate of interest for motor finance

Maine I.S. Motors roorkee se gadi(indica vista) le thi. Jo maine tata motors finance se finance karai thi meri loan amount (250000lac) jo mujhe 15% interest ke hisab se 3 sal ke liye finance karai jiski monthly kist (8666rs)hui lekin tata motors finance ne mujhe 8900rs ki monthly kist bana kar bheji hai jiska interest 16.89% hota hai mere bar- bar baat karne par bhi koi sunvai nahi ho rhi hai aur dhamki DI ja rhi hai aur badsaluki ki ja rhi hai (finance karne wala I.S. Motors roorkee ka employ M.R. Jaiswal hai) meri sahayta kre aur mujhe aage ka upaye bataye