विज्ञान प्रगति : गौरवपूर्ण हीरक जयंती वर्ष VIGYAN PRAGATI first year first issue august 1952 photo by VIMLESH CHANDRA I AM VIMLESH CHANDRA A OLDER READER AND WRITER OF VIGYAN PRAGATI MAGAZINE FROM JANUARY 1980 TO TILL DATE/UPTO AND ALL ABOVE ISSUE ARE COLLECTED IN MY LIBRARY.