Resources

https://onlineservices.tin.egov-nsdl.com/etaxnew/tdsnontds.jsp
Tax Payment Instructions: pl use the link above to make the payment,
1. pl select on itns-280
2. pl select assessment year
3. pl click on advance tax/Self Assessment button
4. for individuals pl click on tax other than corporation tax(0021)
5. enter your pan and after you submit check if your name is reflected properly and then proceed to make the payment accordingly.
https://cbec.nsdl.com/EST/InputPageForEPaymentServlet
http://incometaxindia.gov.in/
https://incometaxindiaefiling.gov.in
http://mca.gov.in