Lecture of Prof. Dr. Nandagopal Sahoo was basically on use of waste plastic to convert graphene with different layers and by-product to produce crude oil. He has developed water filter using those Graphene. He also discussed bout the use of Graphene in concrete technology, so that one can identify the defect generates within the concrete after prolonged use. Discussed about his future research plan and interested to collaborate with Adamas University, Kolkata. Participants were highly appreciated as the speaker is highly well-known in his field. The presentation is so interesting that the allotted time has been extended more than 30 minutes beyond the time schedule.