A study was done to see how different ways of controlling weeds affect the growth and profits of blackgram crops. Using a mix of herbicides worked better than using just one type. The weed-free plot had the least weeds and the highest crop yield. The best herbicide mix was imazethapyr + imazamox at 0.05 kg/ha, which gave the highest profit and benefit compared to other treatments. So, using the right herbicides can help farmers grow more blackgram and make more money.