Erosion by the River Teesta has turned grave at village Kalmati under Lalmonirhat sadar upazila with over 120 houses devoured in the last few days. Standing crops on about 20 acres of land, fruit gardens and homesteads have gone into the gorge of the river at the village, 12 kilometers off the Lalmonirhat town, local sources said. At least 100 families have become homeless as their houses have been devoured by the river in the last three days, they added.