Chandigarh, Jan. 25 -- Former Punjab advocate general Hardev Singh Mattewal passed away in Chandigarh on Thursday night. He was 74. He is survived by son Pavit Singh Mattewal and daughter Puneet Kaur Sekhon, both lawyers. Family sources said he died due to age-related ailments. He had suffered a heart attack and a brain hemorrhage a decade ago. Since then, he could not recover fully, they said. The last rites were conducted at the crematorium in Sector 25, Chandigarh, on Friday....