Complex sentence: Till 1980, Dalmianagar was one of the major indusrial city in india with Sugar, Vegetable oil, Cement and Sugar factories but now they are closed down because of several reasons including the ignorance of state and central goverment and lack of support from the people.
Split into simpler sentences: Till 1980, Dalmianagar was one of the major indusrial city in india. It had Sugar, Vegetable Oil, Cement and Sugar factories but now they are closed because of several reasons which includes the ignorance of state and central goverment and lack of support from the people.