I was recently interviewed by AirObserver on the outlook for 2010 for carriers in India, with a specific focus on the low fare / value carrier segment. Please read the interview here.
For an in-depth feature comparison between various Indian carriers I recommend this article . I also recommend these articles as additional reading for more details on the low fare segment.
IndiGo and SpiceJet – the rise of the value airline and SpiceJet – Q3 2010 review.