Nagamangala: In a bizarre incident, a 21-year-old youth allegedly committed suicide by exploding a gelatin stick, typically used for blasting stones, in front of his girlfriend’s house in Kalenahalli, in the wee hours this morning. The deceased is Ramachandru (21), a resident of Basaveshwaranagar in Nagamangala, Mandya. According to the Police, Ramachandru arrived at his…