GUWAHATI, May 15: The fortnight-long ‘Swachchata Pakhwada’ started from May 1 culmited at Muga Silkworm Seed Organization and regiol office, Central Silk Board, Hatigaon office campus today. Scientist-D Dr. Ree Choudhury welcomed the dignitaries, local leaders and officials. Massive cleaning drives of office and their surroundings, lavatories, common passages, markets, schools etc., were taken up during the fortnight.