Kollegal: Suspecting over his daughter-in-law’s behaviour, a man allegedly stabbed her to death and later committed suicide by hanging self at his house in Adarsh Layout, Kollegal yesterday. While the deceased woman has been identified as Sumithra (32), wife of Surendra, a Group-D contract worker at Kollegal Sub-Division Hospital, the accused (Sumithra’s father-in-law), who killed…