In Tamil Nadu, three differently-abled students were fatally hit by an electric train at Vandalur, Chengalpet District today. The accident happened this morning when they were crossing the rail track and did not notice the approaching train.<br />''<br />''The students belonging to Karnataka aged from 11 to 15 were staying at their relatives house for pooja holidays at Tambaram. The railway police have registered a case.<br />''<br />