Rashmi(19) and Monu (18), both residents of Ghodi Bachheda, were studying in class XII at inter-college, they said.
Rashmi's parents had arranged her marriage and it was scheduled to take place on January 24, police said.
Today evening at around 4:30 PM, Rashmi alongwith her friend Monu went to fetch clothes from a tailor, following which they both lay on railway track at Ramgarh railway crossing and allegedly committed suicide, they said.
The reason behind the suicide is being investigated, DSP Anurag Singh said.