Gangtok, May 17 (IST 5:15): Riding on a pro-incumbency wave, the ruling Sikkim Democratic Front (SDF) on Saturday swept all 32 assembly and the lone Lok Sabha seats in Sikkim. SDF President Pawan Chamling led the charge in his party’s run for a fourth consecutive term in office, winning both his assembly constituencies -Poklok-Kamrang and Namchi-Singithang— in South Sikkim. Ruling party candidate P D Rai, too, sailed through in the parliamentary polls, defeating his Congress rival K N Upreti by a massive 84,868 votes. Senior SDF leader D N Takarpa, the speaker of the seventh legislative assembly, won the Rinchenpong (BL) assembly seat for a second term. At the same time, Menlom Lepcha (Martam-Rumtek-BL), R N Subba (Soreng-Chakung), C B Karki (Rangang-Yangang), K T N Gyaltsen (Shyari-BL), PS Tamang (Upper Burtuk) registered facile wins. All four women candidates of the ruling party -Chandra Maya Subba (Maneybung-Dentam), Neeru Sewa (West Pendam-SC), Tulshi Devi Rai (Melli), and Ti...