Oct. 2024 "Stellar Nurseries: The Formation and Birth of Stars", Students' Space Summit 2024, Cochin University of Science and Technology

Feb. 2024 "Studying high-mass star formation using submm" ASI 2024, Indian Institute of Science, Bengaluru

Jan. 2024 "Physics of high-mass star formation: Fragmentation of ATLASGAL clumps" S. N. Bose National Centre for Basic Sciences, Kolkata

Feb. 2023  "HII regions and their dynamics" Rajagiri Institute of Science and Technology, Kakkanad

Sep. 2021  "An overview of the GLOSTAR survey" Mar Thoma College, Chungathara and Providence Women's College, Kozhikode

Jan. 2020  "Insights on cosmology: the 2019 Nobel Prize in Physics" Regional Science Centre and Planetarium, Kozhikode

Jan. 2020  "The physics of high-mass star formation: A fragmentation study of ATLASGAL dust clumps" Srinivasa Ramanujan Institute of Basic Sciences

Nov. 2019  "Insights on cosmology: the 2019 Nobel Prize in Physics" Priyadarsini planetarium, Thiruvananthapuram

Jul. 2016  "6.7 GHz methanol masers and high-mass star formation" Radio Astronomy Centre, Ooty colloquium

Nov. 2015  "The 2015 Nobel Prize in Physics" IIST

Dec. 2014  "High-mass star formation: the early stages" Invited talk at Nirmala College, Muvvattupuzha

Jan. 2014  "High-mass star formation in its early stages" National Centre for Radio Astronomy (NCRA-TIFR) colloquium

Aug. 2013  "Probing early phases of high-mass star formation" Invited talk at Mar Athanasious College for Advanced Study, Thiruvalla (MACFAST)

Jul. 2012  "Probing early phases of high-mass star formation" Tata Institute of Fundamental Research colloquium

Nov. 2010  "Insights on high-mass star formation from 6.7 GHz methanol masers” Raman Research Institute colloquium

Jul. 2009  "6.7 GHz methanol masers and massive star formation” Jet Propulsion Laboratory astrophysics colloquium

Aug. 2006  "The Arecibo methanol Maser Galactic Plane Survey” Radio and Geo-Astronomy lunch talk at the Harvard Smithsonian Center for Astrophysics

Apr. 2006  "The Arecibo methanol Maser Galactic Plane Survey” Arecibo Observatory colloquium

Feb. 2006  "The Arecibo methanol Maser Galactic Plane Survey” Raman Research Institute colloquium

Jun. 2002  "6.7 GHz methanol masers: Tracers of Star Formation” Arecibo Observatory colloquium

Jun. 2005  "Stars: their birth, life and death” Southern Cayuga Central School

Nov. 2004  "Stars: their birth, life and death” Fuertes Observatory (Cornell University)

Feb. 2004  "The Motions of Stars and Planets in the Night Sky” Fuertes Observatory (Cornell University)