1. PG & Research Department of Chemistry, Mar Ivanios College (Autonomous), University of Kerala, Nalanchira, Kerala, India
2. Department of Chemistry, Sree Narayana College, Varkala, Kerala, India
3. FunGlass, Alexander Dubček University of Trenčín, Trenčín, Slovakia
4. Department of Chemistry, Santhom Malankara Arts and Science College, Ednji, Thiruvananthapuram, Kerala, India