Unidentified gunmen intercepted a bus with 60 members of Ismaili Shia Muslims (a religious minority) en route to a mosque and indescriminately fired at it with assault rifles and 9-mm handguns.
Thirteen people were wounded.
The wounded passengers were hospitalized, and security forces cordoned off the scene. Several people are in critical condition.
Sixteen women were killed, according to a hospital official.
The attackers managed to escape.
Tehreek-e-Taliban has claimed responsibility for the assault, India Today reported.
The Taliban and other extremist groups have attacked Shiites earlier