If you have not hear of iamstarting, it is a platform where Nikita interviews the founders of up & coming startups in India. Its a great blog and good read/listen for people interested in startup echo system in India. You can find the blog at http://iamstarting.com/
Navin's interview can be found at http://iamstarting.com/2011/05/interview-with-navin-kumar-of-elagaan