After Honor’s Graduation in (Zoolog) I started my career as a sales and marketing manager in square Agrovet Division. I had also been responsible for sales and marketing for two international agro base company. After leaving the my job I established jointly own business in the name of Biswas Agrovet ltd as a trading farm in 2001 and after that Biswas poultry and fish feeds ltd in 2004 for produce of Cattle. After mutual separation from jointly owned business I had established advanced poultry and fish feeds ltd in 2009 to produce Poultry, Cattle and Fish feeds in Jugia mouja, Barkhada, Kushtia Distri. It is private limited company incorporated with the register of of Joint Stock Company of Bangladesh. Moreover we established another poultry, Cattle and fish feed manufacturing company in khamarga Mouja, Sonargaon, Narayangong District in 2019. It is also incorporated with the register of Joint Stock Company and established with the finance of Islami Bank Bangladesh Ltd. I have also established Poultry Commercial Layer Farm, Poultry Breeder Farm and Hatchery, Advanced Fisheries, Cattle farm in different part of the country.