ok so heres the verdict guys , i am stating here so if any one of us stuck in the same condition he would know the pros and cons , i went to the suspension guy this afternoon , i was ready in my head with help of pw members here that what exactly my problem is , the guy checked all 4 tyres and said spacers are already there , so that makes the thing more confusing but the guy is experience he put 3 people on the back and there were no noise crossing the speed brakers , but when we over weight and put 4 people with ofcourse cng cylinder weight car makes noise likes its hitting the ground , he said theres nothing wrong with my shocks or spring what i can do is remove those petrol springs and put waqar cng springs to put extra height which i discussed with smijaz and he advised me to leave it the way it is , so i guess the verdict is cultus or pak suzukis small cars are made for 2 or maximum 3 people on the back if u over weight them they will create noises , thanks every one who replied me here special thanks to smijaz !!
regards
syed