<p>The CISF Head Constable who allegedly shot dead three of his colleagues and injured two in their camp at Kalpakkam was in a depressed state of mind and also homesick, a senior police official said today.<br /><br /></p>.<p>Head Constable Vijay Prathap Singh allegedly opened fire from a 9 mm carbine, killing Assistant Sub-Inspector Ganesan and Head Constables Subburaj and Mohansingh at the Central Industrial Security Force (CISF) barracks in Kalpakkam township, about 10 km away from the nuclear complex, yesterday.<br /><br />"He was in a very depressed state of mind for some time," C Vijaya Kumar, who led the probe team, told PTI, adding that the CISF jawan was also "obvioulsy" homesick.<br />"He hails from Allahabad in Uttar Pradesh and had sought leave which was also granted," he said.<br /><br />Vijaya Kumar denied reports that he was "harassed" by his peers and superiors.<br />"If some were talking, Vijay Pratap Singh had the habit of assuming that they were only talking against him," he said.<br /><br />Singh was posted at Kalpakkam nuclear complex in June this year. He has been arrested and remanded to judicial custody.<br />Police said the two injured CISF personnel were undergoing treatment at a hospital.</p>
<p>The CISF Head Constable who allegedly shot dead three of his colleagues and injured two in their camp at Kalpakkam was in a depressed state of mind and also homesick, a senior police official said today.<br /><br /></p>.<p>Head Constable Vijay Prathap Singh allegedly opened fire from a 9 mm carbine, killing Assistant Sub-Inspector Ganesan and Head Constables Subburaj and Mohansingh at the Central Industrial Security Force (CISF) barracks in Kalpakkam township, about 10 km away from the nuclear complex, yesterday.<br /><br />"He was in a very depressed state of mind for some time," C Vijaya Kumar, who led the probe team, told PTI, adding that the CISF jawan was also "obvioulsy" homesick.<br />"He hails from Allahabad in Uttar Pradesh and had sought leave which was also granted," he said.<br /><br />Vijaya Kumar denied reports that he was "harassed" by his peers and superiors.<br />"If some were talking, Vijay Pratap Singh had the habit of assuming that they were only talking against him," he said.<br /><br />Singh was posted at Kalpakkam nuclear complex in June this year. He has been arrested and remanded to judicial custody.<br />Police said the two injured CISF personnel were undergoing treatment at a hospital.</p>