questions: asking for the procedure to install a shade over tea nursery. 
 answers: replied that at first the nursery should be protected from strong sun and wind and for the same one has to erect an overhead with encloser on all sides. the roof should be installed in a slanting position at a height of 2.1 metre from the ground in the north direction and at a height of 1.5 metre in the southern side and have to be covered with a thin layer of thatch.