Talks & Conferences:

You may find below the list of my Talks in various Institutes/Universities, and the list of Workshop and Conferences attended:

Talks:

  1. Associated absorbers in Quasars: tool to probe high velocity AGNs outflows; 2-5 February 2023, National Conference on Outflow at all scale. IUCAA Pune India.
  2. Quasar absorption lines: Tool to probe the variation of fundamental constants over a time scale of billions of years; 31 Jan 2023, General Physics lecture (online) Department of Physics, H. N. B. Garhwal Central University, India
  3. Our Cosmos: Active Galactic Nuclei tool to probing Universe history, 13 December 2022, Pt R. S. University Raipur for online refresher course in Physics
  4. Photometric variability of AGN using 1m-class telescope: a tool to understand the Central Engine of AGN and estimation of their Blackhole mass, 19 November 2022, ARIES, Nainital, Uttrakhand, India
  5. Review the varying fundamental, constant based on quasar spectroscopy; national conference on Constancy of the fundamental constants”, December 1, 2022 at IUCAA, Pune, India
  6. Probing Quasars environment at Mega- parsc scale based on large sample of Quasars pairs; HEPCAT conference, September 2, 2022 at CUHP, Dharamshala, India
  7. Probing the environment and central Engine of AGN , Invited IUCAA colloquium with audience national & International 22 April 2021.
  8. Probing the environment of Active Galactic Nuclei (AGN) and evolution of Universe using spectroscopy of Active Galactic Nuclei., Pt R. S. University Raipur for online refresher course in Physics during 16 to 28 August 2021
  9. A new Catalog of Narrow Line Seyfert 1 Galaxies from the Sloan Digital Sky Survey Data Release 12, ARIES Nainital, 3 April 2017

  10. Probing the central engine and environment of AGN using ARIES 1.3 and 3.6m telescopes, in first Belgo-Indian Network for Astronomy and Astrophysics, Nainital, India, during 15-18 November 2016.

  11. Probing the central engine and environment of AGN using ARIES 1.3 and Spectral and polarimetric properties of Weak emission line radio-quite QSOs, ASI meeting, 10-13 May 2016 Srinagar, India.

  12. Probing the central engine and environment of AGN using ARIES 1.3 and Probing AGN central engine and its environments based on its photometry and spectroscopy, at RETCO-II, ARIES, May 7 2015

  13. Probing the central engine and environment of AGN using ARIES 1.3 and Are weak emission line radio-quite Quasars, radio-quite counter part of Bl-Lacs Objects; Galaxy in absorption annual workshop at IUCAA, Pune; August 8, 2015

  14. Probing the central engine and environment of AGN using ARIES 1.3 and On AGN outflows based on their associate absorber systems, October 16 2015, International conference on "Jets: cause and effect" at ICTS Bangalore.

  15. Three talk on “Motivational workshop on observational astronomy" May 2015;(i) How well do we know our present universe (ii) Mile-stone in Astronomy .

  16. Seven talks in ATSOA-2016 during 29th Feb 20161. 11 March 2016 (i )Excitement of Astronomy: few high-lights and historical development. (ii )Optical Telescope1. Where to point. (iii )Universe beyond milky way-I (iv )Universe beyond milky way-II (v )Galaxy and AGN I: overview (vi )Galaxy and AGN II: case studies (vii)Radiative process in astronomy

  17. Probing active galaxy central engine and its environments using gas dynamics. ;Symposium: Structure and evolution of galaxies,IUCAA, Pune; Jan 22 1. 23, 2015

  18. Active Galactic Nuclei: tool to probe the evolution of Universe; Seminar at IISER-Mohali, August 20 2014

  19. Two talk on “Motivational workshop on observational astronomy" May 2014;(i) Positional Astronomy (ii) Electromagnetic Radiation (iii) Extra Galactic Astronomy .

  20. Eight talks in ATSOA-2015 during 3-12 March 2015 (i )Excitement of Astronomy: few high-lights and historical development. (ii )Optical Telescope1. Where to point. (iii )Magnitude systems: overview how to compute it (iv )Universe beyond milky way-I (v )Universe beyond milky way-II (vi )Galaxy and AGN I: overview (vii )Galaxy and AGN II: case studies (viii)Radiative process in astronomy

  21. Five talks on ATSOA-2014 dusing 3-12 March 2014: (i) Coordinate and magnitude systems (ii)Universe beyond milky way-I (iii)Universe beyond milky way-II (iv)Galaxy and AGN: overview (v)Radiative process in astronomy I, Dr. Hum Chand certify that all the information given above is true to the best of my knowledge.

  22. AGN properties using their photometric and spectroscopic analysis In house meeting ARIES 20 March 2013

  23. Five talks on ATSOA-2013 during 3-14 March 2013: (i) Coordinate and magnitude systems (ii)Universe beyond milky way-I (iii)Universe beyond milky way-II (iv)Galaxy and AGN: overview (v)Radiative process in astronomy

  24. On the incident rate of Strong MgII absorbers Towards Different Types of Quasars; International conference on "Galaxy in absorption" IUCAA, Pune, Dec. 17-20, 2012

  25. Background cosmology Kumaun University, Nainital 26 Dec 2012

  26. Quasars tool to probe the extra-galactic universe Kumaun University, Nainital 26 Dec 2012

  27. Does the number density of intervening MgII absorber depend on background sources? Inter-disciplinary national science symposium, M. B. college Haldwani, 4 Nov 2012

  28. AGN properties using their photometric and spectroscopic analysis In house meeting ARIES 20 March 2013

  29. Three talk on Workshop of "Hand on experience on observational astronomy" 1-5 December 2012: (i) Positional Astronomy (ii) Electromagnetic Radiation (iii) Extra Galactic Astronomy .

  30. Probing the Evolution of our Universe using Quasar spectroscopy, at I.I.T Mandi, 11 June 2012.

  31. Does incidence of MgII absorption systems depend on the background sources?, ARIES in-house meeting, April-19, 2012.

  32. Radiation: the finger prints for astronomer, ARIES, ATSOA-2012, March 2 2012.

  33. Background cosmology: common misconceptions., ARIES, ATSOA-2012, March 5 2012.

  34. Kinematics & dynamics of the Universe, COSMO-2011 Astronomy and Planetary Science, 13-14 Dec. 2011, ARIES, Nainital.

  35. On the origin of AGN microvariability: Clues based on their spectroscopic proper1. ties; ASI Symposium-I “Cosmology and Galaxy Formation”, IISER-Mohali, Nov. 5-7, 2011.

  36. Life Cycle of Star, Technology Day workshop by UCOST at ARIES 11-12 May 2011.

  37. Quasar spectroscopy:a tool to probe the evolution of Universe IISER Mohali1. 28 March 2011.

  38. Observational Basics: Co-ordinate systems and various observatory, ARIES, ATSOA-2011, March 7 2011.

  39. Radiative Processes basics, ARIES, ATSOA-2011, March 10 2011.

  40. Quasar Spectroscopy: tool to probe the evolution of Universe, ARIES, ATSOA-2011, March 11 2012.

  41. Observatory window to probe the Universe GDC Karsog Mandi, HP1. 02 Jan 2011.

  42. Quasar Absorption line: tool of cosmology, ARIES in-house meeting, April-2, 2009.

  43. On the variation of fundamental constant and precision spectroscopy, Indo-Africa workshop1. 31 Oct. 2008.

  44. On the variation of fine-structure constant and precision spectroscopy , ARIES, Nainital, INDIA, 20 June, 2007.

  45. Probing the Universe Using Absorption Lines Seen in the Spectra of Quasars, Physics Department, Pune University, INDIA, 26 July, 2007

  46. Results on the variation of fine-structure constant, $\alpha=e^2/\hbar c$, based on UVES/VLT data sample, IUCAA SAC meeting, Pune, January, 2006

  47. The Transverse Proximity Effect: A Probe to the Environment, Anisotropy, and Megayear Variability of QSOs, IUCAA,Pune, November, 2004

  48. “IGM science with Thirty meter telescope (TMT)", TMT school at IUCAA, Pune from 16-27 January 2017.

  49. “Fundamental Physics with Thirty meter telescope (TMT)", TMT school at IUCAA, Pune from 16-27 January 2017.

  50. On the Nature of Weak emission Line Radio-Quiet Quasars TIFR BALLOON FACILITY, HYDERABAD, INDIA, November 25 1. 27, 2014

  51. On the variation of Fundamental Constants over cosmic time Kangdi University Haridwar 12 March 2013

  52. Cosmology-I &II, on behalf of Astronomical Society of India,”For Professional Enrichment Programme on Astronomy Awareness”, NCSM, Kolkata, September 19-24, 2011.

  53. Observational basics, Introductory Workshop on Optical and Infrared Astronomy, October 26-29, 2010.

  54. Radiative process basics, Introductory Workshop on Optical and Infrared Astronomy, October 26-29, 2010.

  55. Astronomical photometry basics, Introductory Workshop on Optical and Infrared Astronomy, October 26-29, 2010.

  56. On the cosmic time variation of fundamental constant: $\alpha=e^2/\hbar c$, $\mu=m_p/m_e$, PNC meeting, IAP, Paris1. 31 May, 2007.

  57. Constraints on the variation of fine-structure constant, based on HARPS and UVES/VLT data sample, ESO conference "PrecisionI, Dr. Hum Chand certify that all the information given above is true to the best of my knowledge. Spectroscopy in Astrophysics, Aveiro Portugal, September, 2006

  58. Does fine-structure constant vary ?, at 23$^{rd}$ ASI meeting, Nainital, India, February 2005

Workshop and Conferences

  1. National Workshop on Galactic inflows and outflows on all Scales (GALFLOWS), February 02 - 05, 2023, IUCAA, Pune, India
  2. Constancy of the fundamental constants”, December 1 - 2, 2022 at IUCAA, Pune, India
  3. Role of meter class telescopes in modern day astronomy October 17 - 19, 2022, ARIES, Nainital, Uttrakhand, India
  4. Astronomical Society of India 25-29 March 2022 , IIT Roorakee (online), Uttrakhand, India
  5. International conference on Gravity and Cosmology (CosmoGrav22) during 23-24 March, 2022, Gurukul University Haridwar, Uttrakhand, India (online)
  6. IUCAA ACE TLC course “Astronomical data analysis using Python, 8-18 December 2021, Pune, India, online.
  7. First Belgo-Indian Network for Astronomy and Astrophysics, Nainital, India, during 15-18 November 2016

  8. Extragalactic Relativistic Jets: Cause and Effect 12-20 October 2015, ICTS Bangalor, India

  9. ASI meeting, 10-13 May 2016 Srinagar, India.

  10. Recent Trends in the study of Compact Objects -1. Theory and Observation-II ARIES, Nainital; May 6-8, 2015

  11. Central Region of spiral galaxy,IUCAA, Pune; Jan 22 1. 23, 2015

  12. Infrared astronomy in India TIFR BALLOON FACILITY, HYDERABAD, INDIA, November 25 1. 27, 2014

  13. The Physics and Mathematics of Universe March 11-12, 2013 , Gurukula Kangri Vishwavidyalaya, Haridwar

  14. International conference on "Galaxy in absorption" Dec. 17-20, 2012, IUCAA, Pune

  15. Inter-disciplinary national science symposium Nov 3-4, 2012, M. B college Haldwani

  16. ASI Symposium I Cosmology and Galaxy Formation Nov. 5-7, 2011, IISER-Mohali

  17. Professional Enrichment Programme on Astronomy Awareness, NCSM, Kolkata, India, September 19-24, 2011.

  18. Wideband X-ray Astronomy: Frontiers in Timing and Spectroscopy January 13 1. 16, 2011, IUCAA, Pune

  19. Workshop : Optical and Infrared Astronomy October 26 1. 29, 2010, Gorakhpur University

  20. Bhabha Centenary Symposium held at TIFR December 3-5, 2009, TIFR, India.

  21. IUCAA training school on X-ray astronomy February 1-28, 2009, Pune India.

  22. PNC meeting at IAP May 31, 2007, Paris, France.

  23. Precision Spectroscopy in Astrophysics September 11-15 , 2006 Aveiro, Portugal

  24. IAU General assembly XXVI: Participant of Young Astronomers Events. Auguest, 14th to 18th, 2006, Prague Czech Republic

  25. IAU Colloquium 199 : Probing Galaxies Through QSO Absorption Line March, 14th to 18th, 2005 Shanghai Astronomical Observatory, Shanghai, China

  26. 23$^{rd}$ Astronomical Society of India (ASI) Meeting: 21 1. 24 Feb, 2005, ARIES, Nainital, India.

  27. Workshop on Supernovae and their connection to GRBs and pulsars: January, 20th to 23th, 2004, Tata Institute of Fundamental Research, Mumbai 400 005, India.

  28. School on Radio Interferometry and Aperture Synthesis June, 2-22, 2003 National Center for Radio Astronomy, Pune 411 007, India

  29. Symposium on Provocative Universe: July 2003, IUCAA, Pune

  30. IUCAA-IfA (Hawaii) Workshop on Cosmology and High Redshift Universe February, 2003, IUCAA, Pune

  31. The 22nd Meeting of the Indian Association for General Relativity and Gravitation December, 2002, IUCAA, Pune

  32. Annual Meet of the Astronomical Society of India February 2002, Pune-411007, India