The mishap took place at around 4:30 pm at Borda unmanned level crossing in Nagpur division of South East Central Railway, Deputy Superintendent of Police (Nagpur Rural) Rajendra Gautam told PTI.
The deceased include 30 women and 17 children, including 11 girls, Gautam said adding the tractor trolley was carrying 65 to 70 people.
The family of one Gangadhar Sarode had come for a wedding at Kanhan and was returning to Kachurwahi village when the mishap occurred at the crossing, police said adding, the injured were rushed to Mayo hospital here and two private hospitals in Kamptee.
The front portion of the tractor-trolley got entangled into the engine of Ramtek local train by the impact of the collison, police said.
Union Minister of State for Non-Conventional Energy Vilas Muttemwar, who is also city MP, visited the Government Medical Hospital here where the bodies are being brought.
The branch line to Ramtek was completely blocked due to the collision and the track was damaged to some extent, the sources said adding senior South East Central Railway officials from Bilaspur rushed to the site.
None of the passengers of the local train, including the driver or the assistant driver, were hurt in the mishap.
The occupants of the trolley were thrown out and crushed by the train under the impact of the collision. The front portion of the trolley was dragged to some distance before the train stopped.
The injured were initially admitted at Jawaharlal Nehru hospital in Kanhan.
Divisional Railway Manager (South East Central Railway, Nagpur), A K Mishra along with a team of railway doctors rushed to the spot.
Insector General of Police, Nagpur range, Pankaj Gupta, SP (Nagpur rural), Bushan Upadhayaya and others also reached the site, Gautam added.