Pranavi carded 1-over 70 to go with her first round 69 and is now the sole leader at even par 140 after sharing the lead with Amandeep Drall (69-74) at the end of the first day.
Afshan Fatima also had a wobbly back nine with three birdies and three bogeys but still carded 1-under 69, the only under par score of the second round. Afshan is now 2-over 142 and lying second, while first round co-leader Amandeep Drall is third at 3-over 143.
Amateur Vidhatri Urs (72-72) was fourth, while Vani Kapoor (73-73) was tied fifth alongside Shweta Mansingh (76-70) and amateur Nishna Patel (71-75). They were all 6-over 146.
Pranavi, who shot nine pars on the back nine on the first day, had birdies on fifth and 11th and was 2-under after 12. Bogeys on 13th, 15th and Par-5 18th cut into her lead and she finished at 71.
Amandeep Drall had a disappointing front nine with four bogeys and just one birdie on 16th before finishing with yet another bogey for a 74.
Disha Kavery, third overnight, slipped to eighth with a 77 in second round, while Sneha Singh, still looking for a first win as a professional, added 73 to her first round 75 and is ninth.
Seher Atwal, winner of the first leg, improved to 72 after her first round 77 and is tied ninth with Ridhima Dilawari (79-70), who also showed a nine-shot upward move. Also tied at ninth was Ananya Datar (75-74).