According to jail officials Ram Singh, 35, who was in ward number 5 of Jail number 3, hanged himself by the grill of a window, using a bedsheet. But what is curious about the whole incident was that none of the three other inmates of the cell noticed it. His body was found hanging from the grill was found by an Indo-Tibetan Border Police constable.
Kept in a cell shared by three others, also undertrials, Ram Singh used a bucket to reach the grill to hang himself. Inmates are given bedsheet, bucket and a mug to take bath.
Officials refused to identify the three inmates who shared the cell with Ram Singh, the prime accused in the physiotherapist trainee gang-rape that shook the collective conscience of the country and made for shocking news across the world.
Ram Singh was also known to suffer from deformity in his left hand.
"Undertrial prisoner Ram Singh, son of Mange Ram, who was lodged in Jail number 3 since Dec 23, 2012 was found hanging at around 5:45 a.m.," Tihar authorities said in an official statement.
"The matter is being inquired into by the judicial officer. The exact cause of death would be known after receipt of inquiry officer report which also includes post-mortem examination report by forensic specialist."
"An inquiry has been ordered to ascertain how Ram Singh committed suicide in the high security Tihar Jail," G. Sudhakar, Deputy Inspector General (Prisons), Tihar Jail, said.
But his family alleged he was murdered and demanded a Central Bureau of Investigation (CBI) inquiry.
"He was killed and later hanged in the jail. He told us several times that he was threatened in the jail. We lodged a complaint in this regard. It was not suicide. We demand a CBI inquiry," Mange Lal, Ram Singh's father, told reporters outside Tihar jail.
V.K. Anand, his lawyer, also alleged "foul play" and demanded a full-fledged inquiry into the incident.
He also said that Ram Singh was not in a depressed state as is being highlighted by jail officials.