I.      Paper entitled “Synthesis, Characterization of Polyethylenimine Modified Mesoporous Materials  and Application in Adsorptive Separation of Carbon Dioxide ” in   8th  Korea-China Clean Energy Workshop, held between 24 -26 November, 2010 Daejeon, S. Korea,

            II.      Paper entitled “Adsorptive Separation of Carbondioxide by Amine Modified and Pelletized Mesoporous Materials: An Advanced Approach” in  Summer conference organized by The Korean Institute of Chemical Engineers held between 20 -22 October, 2010 at Daejeon, S. Korea,

          III.      Paper entitled “Mesoporous Materials As Adsorbents For The Separation of Carbon Dioxide” in  Summer conference organized by The Korean Institute of Chemical Engineers at Daejeon, S. Korea, held between 20 -22 October, 2010 at Daejeon, S. Korea.

          IV.      Paper entitled “Supported Heteropolyacid: Esterification of 1º and 2º alcohols” presented in RSC – West India Section Students Symposium 2006, organized by Royal Society of Chemistry at Department of Chemistry, Faculty of Science, The M S University of Baroda, Vadodara – 390 002, , held between 13 – 14 October, 2006, Vadodara, Gujarat, India.

            V.      Paper entitled “Effect of Temperature on Dispersion and Acidity of Supported 12-Tungstophosphoric Acid : A solid acid catalyst” in National Seminar on Applied Research on Solid State Chemistry and Nanotechnology, organized by Indian Association of Solid State Chemists and Allied Scientists (ISCAS) at Department of Chemistry, Faculty of Science, Annamalai University, Annamalainagar - 608 002 (Tamil Nadu), held between 25 - 26 February, 2005, Annamalainagar, Tamil Nadu, India.

          VI.      Paper entitled “Supported Heteropolyacid : Synthesis, Characterization and Catalytic Activity”, in 6th National Symposium on Chemistry, at IIT, Kanpur,  held between  6 - 8 February, 2004, Kanpur, Uttar Pradesh, India.

        VII.      Paper entitled “Supported Heteropoly Acid As Ecofriendly Catalyst For Esterification of n-Butanol” in 16 th National Symposium and 1st Indo – German conference on Catalysis at Indian Institute of Chemical Technology, Hyderabad, held between 6 - 8 February, 2003. Hyderabad, Andhra Pradesh, India.