Hello Sir, I have ciaz diesel car 2016 model with 97000 Kms run. i want to sell it and buy a petrol car between 8-9 lacs and want to fit CNG in it. How much price can I get for my old car. And which car I can buy.. My preferences are Ford Aspire and honda amaze... And I also want to know on which festival I can get more discount, on dashehra or Diwali.?