After 22 to 25 days after transplanting of paddy, that is, when the grass has two to three leaves, then spray 100 ml of any herbicide like Nominee Gold in 150 liters of water. This quantity of water is sufficient for one acre of farmland. If motha grass is more in paddy then nominee gold, 100 ml and companion, 80 g. Spray it by mixing it in 150 liters of water.