Contested deletion 

This page is not unambiguously promotional, because... (your reason here)   

This organization is 100% engaged in inculcating science orientation amongst children and students without any kind of commercial objective
The organization has been in the social activity since last 28 years
The organization has achieved many recognitions in international platform
The objective of its being interest to be in Wiki is to let people use the recourse of the organization in developing own Astronomy and  science and orientation.
The organization does not generate any revenue with its online presence
The organization is in not financial obligated to anyone in any form.