New Delhi: The four convicts facing death in the 2012 Nirbhaya rape and murder case are under depression and have reduced their food intake, jail sources said on Friday. Four-five security personnel have been assigned to each of the four convicts to ensure that they do not harm themselves, the sources added.Also Read - Nirbhaya Case: 'Convict Vinay Withdraws Mercy Plea; Nothing Pending With Us, President,' Says MHA

On Friday, senior officials, including Tihar Director-General Sandeep Goel, visited Jail No 3, where the hanging will take place, to inspect the preparation and were satisfied with it. Also Read - Tihar Jail Seeks Two Hangmen From Uttar Pradesh as Execution For Nirbhaya Killers Nears

While the Tihar administration is in talks with other jails for a hangman since it doesn’t have one, a number of people from across the country have written to the authorities, ‘volunteering’ to carry out the execution. Bihar’s Buxar central jail has been directed to prepare hanging ropes for the execution. Also Read - ‘Don’t Give us Death Penalty, Air Pollution Kills us Anyway,’ Nirbhaya Convict Tells Supreme Court in Review Plea

Ram Singh, the prime accused in the case and the elder brother of co-accused Mukesh, had committed suicide in his cell in Tihar in March 2013. The sixth, a juvenile, is already out, having served his sentence under the erstwhile-juvenile justice laws.

A Delhi court on December 18 will hear a plea seeking issuance of death warrants against four people convicted in the Nirbhaya gang rape-and-murder case.

(With Agency Inputs)