30-year-old Anisa yesterday hanged herself at her house in Sindhawli village, after she was apparently depressed over some family dispute, they said.
In separate incidents reported from Shamli area, 35-year-old Rakesh and 40-year-old Shabbir Hasan jumped before moving trains, police said, adding the reason behind them taking the extreme step is not known.
The bodies have been sent for postmortem, they said.