Two-time defending champion Mary Ann Gomes, Soumya Swaminathan and Padmini Rout occupied the second position, closely chasing the leader with half-a-point deficit.
Swati opted for the Queen's defence in reply to Tania's queen pawn opening as both the players chose not to take risk to force a draw in 33 moves.
Padmini jumped to the joint second spot with a win against Nisha Mohota in the advance variation of the Caro Kan defence.
Playing black against Bodda Pratyusha, Mary Ann was involved in her third consecutive draw in the meet in a Sicilian defence.
Pratyusha obtained a slight advantage from the opening but Mary Ann held her own in a difficult position to draw in a rook endgame.
National sub-junior champion G K Monnisha squandered an excellent position against former world junior girls champion Soumya to go down in 72 moves.
14 year-old National Junior Champion Ivana Furtado of Goa was content to keep her position near the top with a draw against WGM Kiran Manisha Mohanty in 25 moves in the advanced variation of the Caro-Kan defence.
IM Tania Sachdev (AI) (4) drew WGM Swathi Ghate (LIC) (5); WFM G K Monnisha (TN) (2) lost to WGM Soumya Swaminathan (PSPB) (4.5); CM Bhakti Kulkarni (Goa) (3) drew Michelle Catherina (TN) (1.5); WGM Kiran Manisha Mohanty (LIC) (3) drew WIM Ivana Maria Furtado (Goa) (4); Bodda Pratyusha (AP) (3) drew WGM Mary Ann Gomes (W.B.) (4.5); WGM Padmini Rout (Odisha) (4.5) bt IM Nisha Mohota (PSPB) (3).
