Singh had crossed over to Pakistan inadvertently around a month ago, and today he was handed over to BSF at joint check post on Attari border land route by the Pakistani Rangers.
Pakistan authorities, during the one month period found that Singh was mentally unsound and due to that he could not identify the international border and inadvertently crossed over to Pakistan, sources said.
According to BSF official at Attari border, Singh is a resident of Chokra village of Sangrur district. He was received by his brother Sham Singh after repatriation.