The state transport bus proceeding towards Ashti hit the ape-rickshaw killing four persons on the spot.
The deceased were identified as Ramdas Gunjal(55), Kartiki Gunjal(4), Sanjvini Hiwale(50) and Shubham Gunjal(4).
There were 13 passengers who received injuries, including one from the bus, and were admitted to the rural health centre at Ashti.
Nine of them were serious and later shifted to district government hospital, police said.