what is the airline company that offers cheapet tickets in india for domestic flights?

ANSWER TO THE ABOVE QUESTION there is notthing like one airline ofers cheapest. You just need to find out which airline offers cheap tickets on which route. just logon to ticket booking sites like makemytrip or yatra.com and check out the flights for your required time and date. and pick the best as per your convinience. Almost all domestic carriers are same in service. like spicejet and goindigo. Kingfisher is a bit costly. i never tried