22. Popular Lecture on Sensors and Biosensors for College Students, INSA Varanasi Chapter at “Sunbeam Groups”, 21-11-2011, Varanasi.
23. Invited lecture on Genosensors for BRCA1 and Kala-agar based on Electrochemical Detection of DNA Hybridization over Modified Sensor Electrodes in ISEAC International Symposium cum Workshop on Electrochemistry (ISEAC-WS-2011), organized by Fuel Cell Div, BARC, India during 7-10th Dec. 2011 in Cidade de Goa, India.
24. DAAD Invited lecture in "The 5th Indonesia Biotechnology Conference, An International Forum" Lombok, Indonesia during 4th-7th July 2012.
25. Invited lecture on “Conducting Polymers and Nanocomposites: Morphology control and effect on electronic properties” on 12th to 20th Oct. 2012 in Kyutech, Japan (under DST-JSPS project).