Jalandhar, July 26 (Reporter) In a tragic incident, a carpenter, his wife and their 16-year-old daughter committed suicide by consuming poison in Punjab's Nawanshahr district, police said on Friday. Habitual drinker Avtar Singh, a resident of Mallpur Adhhka village in Nawanshahr district, used to have frequent quarrels with his wife Sonia, who ended her life along with their daughter, police said. Police said Sonia and her daughter were the first to consume poison. When Singh saw them in an unconscious condition, he also consumed poison, police said. All three died on way to hospital...////...