Clean sweep: Tiwa tribesmen carry harvested broom sticks (Thysanolaena maxima) at Tharakunji village in Karbi Anglong district of Assam on Monday. Broom grass has emerged as the most widely cultivated crop in the hills of Karbi Anglong. Harvesting is done from the first week of February till the middle of March. Karbi Anglong is the largest producer of brooms in the country. -- Ritu Raj Konwar