Indigo airlines a big name in India in this sector. Just use this only when you dont have any other option. Becouse other are slightly better than indigo in this sector. They dont have good airbus also indigo is not cheapest. Check in counters of indigo are average. Staff is good. They do their duty in a healthy way. Seating space is worst. They dont provide good seating space also their seats are not comfortable. Straight back and hard seats make it difficult to travel through indigo. Punctuality depends on situations. Sometime their problem is genuine but some time due to internal problem of indigo passengers have to face difficulties. Indigo is not punctual. So its better Use other options