In another pre-quarter final match Kajal Kumari of Indian Oil overcame stiff challenge from Life Insurance Corporation of India's Shilpa Palnitkar, the Maharashtra state champion, 11-25 25-0 25-12.
Earlier Shilpa had shocked former World Champion S Illavazhaki of ONGC 0-25 25-11 25-16 in a thrilling three-game second round encounter.
In another close three-game encounter, Khushbu Kumari of Indian Oil prevailed over her teammate Madhuri Tayshetye 25-1 14-25 25-19 to advance into the quarter finals.
Current national and world champion Rashmi Kumari also made the grade comfortably.
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In the men's team championship, Zone-1 winners Indian Oil will play against Reserve Bank of India who finished second in Zone -2 with six points. Zone-2 winners Air India 'B' will clash with Air India 'A' who finished second in the Zone-2 with six points.
The tournament is being organised by Air India and Maharashtra Carrom Association under the auspices of All India Public Sector Sports Promotion Board at AI Sports Club in Kalina.
Women's singles (pre quarter finals): Kavita Somanchi (RBI) bt Geeta Devi (BSNL) 25-10 25-10; Deepika Sinha (LIC) bt R Vinita (ONGC) 25-11 25-0; World & National Champion Rashmi Kumari (ONGC) bt Lalita (LIC) 25-0, 25-5; Sneha More (IOC) bt Manjiri Vaidhya (MTNL) 25-5 25-4; Khushbu Kumari (IOC) bt Madhuri Tayshetye (IOC) 25-1 14-25 25-19; Parimala Devi (IOC) bt Medha Matkari (LIC) 7-25 25-4 25-7; S Apoorva (LIC) bt Bunti Laisram (BSNL) 25-4 25-11; Kajal Kumari (IOC) bt Shilpa Palnitkar (LIC) 11-25, 25-9, 25-12.
Men's team championship Zone -1: Indian Oil Corporation 8 points, Air India 'B' 6 points