I think your problem is the same as others, hard ride.
If this is the issue, wheel alignment, wheel balancing, or just suspension check up might soften the problem. Better not expect the comfort like that of Cowrolla or Mark.
Furthermore, some pakwheelers recommend to change the tire size from 145, something to, 155.
Hankook Optimo me04, is quite popular these days in Mehran and other small cars.