Ballia, Aug 14: A man slit the throat of his sister’s sister-in-law in Baheri village in Uttar Pradesh’s Ballia district and later surrendered to the police. Dilshad’s sister is in love with Yith Noor Alam and married him last month despite opposition from the family. Noor Alam’s cousin sister Armana a local politician had slapped Dilshad over a trivial dispute a few days ago. She had even threatened to frame Dilshad in a criminal case.