Section 12(1) in The Delhi Preservation Of Trees Act, 1994
(1)Every person who is under an obligation to plant trees under an order made under section 9 or a direction given under section 10 shall start preparatory work within thirty days of the date of receipt of the order or directions, as the case may be, and shall plant trees in accordance with such order or direction in the ensuing or following rainy season or within such extended time as the Tree Officer may allow and shall provide adequate and effective protection to the trees that exist or are planted in the land or the area from any damage.
