Cars Q&A

Dear Sir, Good Morning. I have few questions on selection of my new Car. My usage will be around 1000 km per month and twice or thrice in a year I will go to Kolkata from Varanasi ( around 1500 km up & down ). My budget is Rs.4.50 - 5.00 Lakh on road. My choice is New Wagon R. i10, Indigi CS TDI etc. Some of friend says Diesel car need more maintenance cost but I dont know. Kindly give answers of my following questions; 1. Whether should I go for diesel or Petrol car. 2. Few car's rpm is 5500 and other is 6200 what does it maean and whether it is effectinfg on car performance or life of car. 3. I need fully loaded car that is music system,4 power window, good boot space , good mileage. Kindly advise which car should I buy and which Co. Maruti, Hyundai or Tata. I am waiting for your valued response, after getting your response I will buy my car. Kind regards Sukanta