01Primordial features with a step and the tensor contribution
Cosmology Rapid Response Meeting, TIFR, Mumbai, 6–8 Apr 2010; 8th Meeting on Field Theoretic Aspects of Gravity, HNBGU Srinagar, 19–23 Apr 2010; Primordial Features and Non-Gaussianities, HRI Allahabad, 14–18 Dec 2010; poster, ICTP Summer School in Cosmology, 19–30 Jul 2010.
02Oscillations in the inflaton potential
26th IAGRG Meeting, HRI Allahabad, 19–21 Jan 2011; Indo–UK Scientific Seminar, IUCAA Pune, 10–12 Aug 2011; COSMO 11, Porto, 22–26 Aug 2011.
03On the discriminating power of fNL
UK Particle Cosmology Network, Portsmouth, 13–14 Sep 2011; International Conference on Gravitation and Cosmology, Goa, 14–19 Dec 2011.
04Scalar bi-spectrum during inflation and preheating
Asia Pacific School / Workshop on Gravitation and Cosmology, Jeju Island, 19–22 Feb 2013.
05Reconstructing the primordial power spectrum
Theories and Practices in Large Scale Structure Formation, APCTP Seoul, 15–16 Apr 2013.
06Cosmological parameter estimation with free-form PPS
Reconstructing the Universe, IEU Seoul, 3–5 Jun 2013; 1st APCTP–NBIA Workshop, Pohang, 21–25 Oct 2013.
07Reconstruction from WMAP and Planck
New Perspectives on Cosmology, APCTP, 25–29 Nov 2013; Cosmology and Fundamental Physics IV, APCTP, 5–15 Dec 2013.
08Joining bits and pieces of reionization history
Concordances and Challenges in Cosmology after Planck, Sexten, 18–22 Feb 2019.
09One spectrum to cure them all
40th meeting of the Astronomical Society of India, IIT Roorkee / online, 25–29 Mar 2022.
10Conference contribution
Cosmological Tensions and its Implication to Concordance Cosmology, IFPU Trieste, 12–23 Jun 2023.
11CMB Data: A Discussion on Physics and Systematics
4th BRICS–AGAC symposium, SGT University, Haryana, 17–19 Dec 2024.
12Primordial Features and CMB Anomalies
Tensions and Anomalies on the Sky, Centre for Theoretical Physics, Jamia Millia Islamia, New Delhi, 6–8 Mar 2025.
13ECHO from CMB Bharat
Rethinking Cosmology, Raman Research Institute, Bengaluru, 10 Dec 2025.