agree with reservoir also, during peak time when there are many passengers, you can ask a platform staff--- they usually appear during peak time on the platform (wearing uniforms, shouting 'please let the passengers get off the train first' and 'mind the doors, mind the doors, the training is going to depart!')
also, during peak time when there are many passengers, you can ask a platform staff--- they usually appear during peak time on the platform (wearing uniforms, shouting 'please let the passengers get off the train first' and 'mind the doors, mind the doors, the training is going to depart!')