The Department of Chemistry of GHG Khalsa College, Gurusar Sadhar College organised an extension lecture on the topic "Boranes and Cycloaddition Reactions". Dr Varinder Kaur Chahal, Asst. Professor, Panjab University, Chandigarh delivered the lecture on the Topic “Boranes”. Principal Dr. S.S. Deol, accorded her a warm welcome. Dr Chahal shed light on the classification and applications of Boranes Chemistry. Second Lecture was delivered by Dr. Raghubir Singh on the topic “Cycloaddition Reactions” from DAV College sector 10, Chandigarh. Dr. Singh fascinated the students with different types and applications of various Cycloaddition reactions. The students taken keen interest in the lecture and queried their doubts. In the end College Principal Dr. S.S. Deol thanked the speaker for visiting and enlightening the students.