के सभी प्रकाशन Sunil kumar . लुधियाना , भारत
Met Department Ludhiana on occasion of National Science Day organized an event for Govt. Sr. Sec. School(Boys) Sahnewal. Airport Authority of India, Air India, Punjab Flying Club (Ludhiana) paved the way for making event a successful one. On this occasion children were taken to field for practical demonstrations along with theoretical and interactive presentations. National Science Day is celebrated in fond memory of Bharat Ratna and Nobel prize winner 'Prof. C.V Raman' for his break through discovery of "Raman effect".