@ Rohitkumar, better you estimate the carbon content in your mangrove tree. Then determine the weight of carbon dioxide sequestered by multiplying with 3.67 as the weight of CO2 in trees is determined by the ratio of CO2 to C is 44/12 = 3.67.
India at COP27 joined the Saudi's "Middle East Green Initiative" last year, and mangrove planting is part of what India joined to do with the other 24 countries, to plant a total of 50 BILLION trees. You can watch the opening session on You Tube at https://www.youtube.com/watch?v=QO8PcbxOu0Y where your Minister of Environment, Forest and Climate Change spoke. You should contact his office, and see what the plan is with mangroves, and the amount of carbon they sequester.