International Conference on Material Science and Application (ICMSAA-2019) November 27, 2019December 12, 2019 USERC DEHRADUN International Conference on Material Science and Application(ICMSAA-2019) 25-27 Novmber, 2019 Department of Physics, HNB Garhwal University (a Central University) {"slidestoshow":3,"slidestoscroll":1,"dots":"true","arrows":"true","autoplay":"true","autoplay_interval":3000,"speed":300,"loop":"true","lazyload":""}