<p>A court here on Friday remanded Railway Protection Force (RPF) constable Chetan Singh in 14-day judicial custody for allegedly shooting dead his senior colleague and three passengers on a moving train in Maharashtra recently.</p>.<p>Singh was produced before a magistrate court in suburban Borivali on Friday at the end of his previous remand.</p>.<p>The court remanded him judicial custody as no further remand was sought by the Government Railway Police (GRP), which is probing the case.</p>.Train firing: Court sends accused RPF constable to judicial custody; denies nod for narco analysis, other tests.<p>In a related development, the court denied permission to the probe agency to perform brain mapping, polygraph and narco-analysis tests on Singh.</p>.<p>The GRP had sought consent for the tests, saying the matter was very serious and a thorough investigation was needed.</p>.<p>The incident took place on July 31 on board the moving Jaipur-Mumbai Central Express near Palghar railway station in Maharashtra.</p>.<p>Singh (34) allegedly shot dead his senior - RPF Assistant Sub-Inspector Tikaram Meena - and three passengers on board the train, officials said.</p>.<p>He was nabbed with his weapon later while trying to flee after passengers pulled the chain of the train which stopped near Mira Road station (on the Mumbai suburban network). </p>
<p>A court here on Friday remanded Railway Protection Force (RPF) constable Chetan Singh in 14-day judicial custody for allegedly shooting dead his senior colleague and three passengers on a moving train in Maharashtra recently.</p>.<p>Singh was produced before a magistrate court in suburban Borivali on Friday at the end of his previous remand.</p>.<p>The court remanded him judicial custody as no further remand was sought by the Government Railway Police (GRP), which is probing the case.</p>.Train firing: Court sends accused RPF constable to judicial custody; denies nod for narco analysis, other tests.<p>In a related development, the court denied permission to the probe agency to perform brain mapping, polygraph and narco-analysis tests on Singh.</p>.<p>The GRP had sought consent for the tests, saying the matter was very serious and a thorough investigation was needed.</p>.<p>The incident took place on July 31 on board the moving Jaipur-Mumbai Central Express near Palghar railway station in Maharashtra.</p>.<p>Singh (34) allegedly shot dead his senior - RPF Assistant Sub-Inspector Tikaram Meena - and three passengers on board the train, officials said.</p>.<p>He was nabbed with his weapon later while trying to flee after passengers pulled the chain of the train which stopped near Mira Road station (on the Mumbai suburban network). </p>