Himachal Pradesh, Maharashtra, Karnataka and Rajsthan also won their respective matches during the day.
Star-studded Railways womens first trounced Punjab 45-21 and then beat Chhattishgarh 40-12. International raider Mamta Pujari earned highest points for them.
In other pool matches of the group, Maharashtra eves pipped Tamil Nadu 43-20 and West Bengal 40-17 while the Andhra Pradesh vs Madhya Pradesh match ended 35-35 and Delhi vs Karnataka match finished at 33-33.
Hosts Bihar, however, faced a 11-37 humiliating defeat against Punjab and lost to Chhattishgarh by 12-26.
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Chandigarh and Haryana also won their matches against Hyderabad and Jharkhand by 51-19 and 43-33 respectively in other group league matches.
The Bihar men's team lost to Madhya Pradesh in a tight match by 32-35 and to Uttar Pradesh 33-35.
OTHER RESULTS
Women: Himachal Pradesh bt Tamil Nadu 46-34; Manipur bt Pondicherry 37-21; Himachal Pradesh bt West Bengal 27-24.