Lucknow/ Ayodhya, Oct 18 (ANI): The Uttar Pradesh government has beefed up security in railway stations and has put a ban on SMS in Ayodhya to clamp down on Vishwa Hindu Parishad's (VHP) 'Sankalp Sabha' scheduled for Friday, according to an official. Officials said strict vigil was being kept on movement of people to Ayodhya and all borders to Faizabad were sealed on Thursday. Earlier, more than 1200 people across the state have been placed under preventive arrest.