Hi Arunima,
In regard to Ur query, u can explore the following Links for ur information & more Updates on NPS>>
http://www.hdfcpension.com/national-pension-scheme/
http://businesstoday.intoday.in/story/national-pension-system-attractive-option-for-investors/1/190176.html
http://timesofindia.indiatimes.com/business/personal-finance/Why-invest-in-National-pension-scheme-now/articleshow/46657599.cms
In case U still have neede more info, feel fee to contact us at: << optimusconsult.info@gmail.com >>
Regards
Optimus Consultants