It is one among the seven of the IRNSS constellation of satellites launched to provide navigational services to the region.
[9] IRNSS-1E will help augmenting the satellite based navigation system of India which is currently under development.
The navigational system so developed will be regional, targeted towards South Asia.
The satellite will provide navigation, tracking and mapping services.
As in the previous four launches of IRNSS satellites, PSLV-C31 will use ‘XL’ version of PSLV.