Recently I travelled by Indigo airlines. It has improved a lot since I travelled a year ago.
The most important advantage is they maintain time. Since a Low Cost Carrier, if you go at last moment, rush is more and you may feel tension. I go atleast 90 minutes before.
Further, you can enjoy a discount of Rs.350 if you just spend Rs.99 and buy a coupon at snapdeal.com and go to https://snapdeal.com/refer/redirect/15142328.
Whats more! at snapdeal, use code SDHALF and lo! you get discount of 50%. So you nett pay Rs.49 and get a discount of Rs.350 if booked at yatra.com
To get more such coupon and promo code, visit PromocodesFree.com - a free site to get promo code.
Happy saving.