New Delhi, July 8 -- As IndiGo launches long haul flights to the United Kingdom (Manchester) and Europe (Amsterdam), Pieter Elbers, chief executive officer (CEO) of India's largest airline, says in an interaction that the next step in the development of Indian aviation should be not adding new airports but having bigger, better and smoother ones. Edited excerpts: I look at a key metric- seats per capita - and compare it with the US, Europe, or China. All of them have significantly higher numbers. Even China, despite its lower seats per capita, has four times more seats than India. Given that, and considering projections that the Indian market will double between 2023 and 2030, a compounded annual growth rate of 10-11% doesn't seem unrealist...