18th ScienceGlobe - International Conference on Recent Advances in Engineering and Technology (ICRAET) - Dehradun , India 18th ScienceGlobe - International Conference on Basic and Applied Sciences (ICBAS) - Dehradun , India 18th Science Plus - International Conference on Recent Innovations in Science, Engineering and Technology(ICRISET-2019) - Gangtok , India 18th Science Plus - International Conference on Recent Innovations in Computer Science and Information Technology (ICRICSIT-2019) - Gangtok , India