The geographic location of the country’s second spaceport to be set up at Kulasekarapattinam in Tamil Nadu has a strategic advantage over launch pads in Sriharikota — small satellite launch vehicles (SSLV) can fly straight to the south pole without burning fuel to swerve around Sri Lanka on the way.

from Times of India https://timesofindia.indiatimes.com/city/chennai/new-tn-launch-pad-to-help-isro-save-fuel/articleshow/76668427.cms