1. NSE India
http://www.nseindia.com/
2. BSE India
http://www.bseindia.com/
3. Amfi India
http://www.amfiindia.com/
4. MCX India
http://www.mcxindia.com/
5. Securities and Exchange Board of India
http://www.sebi.gov.in/
6. Reserve Bank of India
http://www.rbi.org.in/home.aspx
7. Income Tax India
http://www.incometaxindia.gov.in/home.asp
8. NSDL (Refund Status)
https://tin.tin.nsdl.com/oltas/refundstatuslogin.html
9. NSDL (LogIn)
https://onlineservices.tin.nsdl.com/TIN/JSP/security/PanLogin.jsp
10. LIC (LogIn)
https://customer.onlinelic.in/epslogin.htm
11. KYC Status
https://www.cvlkra.com/