विज्ञान मेला – देहरादून

विज्ञान  मेला – देहरादून
विज्ञान  मेला ,   डोईवाला  देहरादून । विज्ञान  मेला  NCSTC, Department Of Science and Technology, GOI
Society of Pollution and Environmental Conservation Scientists (SPECS), Dehradun
Uttrakhand State Council For Science and Technology
Just Open Your Self Society ,Dehradun  दुआरा आयोजित किया  जा है।  
Date – 05 to 07 Oct-2017
Venue-  Public Inter-College Doiwala