Not advertising the guy. But, pretty good stats on IPO.
https://www.quora.com/Is-it-good-idea-to-invest-every-IPO-in-India
https://www.quora.com/Is-it-good-idea-to-invest-every-IPO-in-India
Although you might already be aware, but still I am sharing the link, in case someone is interested in testing IPO related information, chittorgarh guys also have good info -
http://www.chittorgarh.com/ipo/ipo_reports.asp
http://www.chittorgarh.com/ipo/ipo_perf_tracker.asp
Thanks and regards