HI Friends Thankyou for the suggestion, I got the vehicle inspected at TASS and they found no error in ECU, also while doing a test drive the advisor and I also found that car engine sound is not smooth when quick acceleration is done in 2nd and 3rd gear and also at high rpm in 4th gear. The engine sound seems like jarring and also breaking and missing. what Advisor is suggesting that there is some loose part in bonet which is vibrating when acceleration is done. I am sending my vehicle for complete checkup when I am free so that it can be checked for that. But I really had a bad feeling that he will not be able to diagnose. The ECU was reset and alignment was again done but I found no improvement.