To know more information about eNPS Dial 1800110708 you may also visit www.npstrust.org.in for any other information.
National Pension System NPS is a Tax Saving option under 1961 section 80CCE upto Rs 150000 extra Rs 50000 can also be saved under section 80 CCD(1B).
You can also SMS to 56677 with NPS keyword do get more details.