Trouble from trees grown by school

Amicably settled the issue.

You cannot ask the school authorities to cut the tree neither you can do any harm to the tree. 

They may obtain an order of permanent injunction against you through court and in that case you may have to manage the cleanliness of your building by your own. 

The owner of a tree has no right to allow its branches to overhang the land of his neighbour. If he does so the neighbour can cut the branches so long as he could do so without entering upon the land of the owner of the tree.

So you can take action as suggested. 

Cutting of such trees shall attract punishment under the provisions of Environment Act as well as Indian Forest Act, 1927. 

cut the branches of the trees but not Trees. Suggest to the school management about 

• Shape and Aesthetics: Pruning helps trees grow strong and look neat. You can shape a tree by removing crowded or overhanging branches.