Conferences and Seminars in India

Jawaharlal Nehru University, New Delhi.

“Roman and Indo-Roman coins from Sri Lanka. New evidence from the Sigiriya excavations on the monetary pattern of ancient Sri Lanka”, Centre for Historical Studies, 16th January 1991.
“The destruction of the Cultural heritage of Afghanistan”, Centre for Historical Studies, 9th January 2002.
“Numismatic evidence in the reconstruction of the history of Alexander's successors in India," Indo Hellenic Research Centre, 27th October 2021.

National Museum, Allahabad

“A new approach to Indo-Greek numismatics”, 24th January 1991.
“Roman and Indo-Roman coins from Sri Lanka”, 25th January 1991.

State Museum, Lucknow,

“A new approach to Indo-Greek numismatics”, 6th February 1991.
“Roman and Indo-Roman coins from Sri Lanka”, 7th February 1991.

Deccan College, Postgraduate and Research Institute, Pune

“Minting techniques in the West and the East”, 3rd January 1992.

Institute of Archaeology, Archaeological Survey of India, Delhi.

“The origin of coinage”, 6th & 7th January 1992.
“Introducing the earliest Hindu gods in Gandhara”, 9th November 2011.

Museum Society of Bombay, Bombay

“New numismatic evidence on the history of Greeks in Bactria and India”, Indian Coin Society, 4th January 1992.
“Representations of Ganesha on Indo-Greek coins: fact or fiction”, Indian Coin Society, 25th July 1992.

University of Delhi, Delhi.

“New numismatic evidence on the history of Greeks in Bactria and India”, Department of History, 14th January 1992.

Indira Gandhi National Centre for the Arts, New Delhi.

“Sigiriya and garden concept in Sri Lanka”, 19th August 1992.
“Maritime Trade and Cultural Exchanges in the Indian Ocean: India and Sri Lanka”, Project Mausam/Mawsim: Maritime Routes and Cultural Landscapes30th December, 2014.

Institute of Archaeology, National Museum of New Delhi.

"Elephant Headed Ganesa or Zeus-Mithra?", 20th August 1992..

Rohilkand University, Bareilly, Department of History and Culture

“The origin of coinage”, 22nd August 1992.
“The cult of Ganesha”, 22nd August 1992.
“The cultural heritage of Afghanistan”, 10th January 2002.
“Numismatics evidence in constructing Indo-Greek history”, 9th January 2004.

Tamil Nadu Numismatic Society, Madras.

“Coins from the citadel of Anuradhapura, Sri Lanka”, 12th April 1997.

University of Madras, Madras.

“New evidence on the maritime trade between South India and Sri Lanka”, Department of Ancient History and Archaeology, 12th January, 2009.
“Trade relations between India and Sri Lanka”, Department of Ancient History and Archaeology, 27th January 1998.

Indian Institute of Architects, Tamilnadu Chapter, Alliance Française de Chennai, Madras.

“Sigiriya and the Garden concept of ancient Sri Lanka”, 27th January 1998.

Institut Français de Pondichéry et Département d’Indologie (E.F.E.0), Pondichery

“Sri Lanka and sea-born trade in the Indian Ocean: Results of the French archaeological Mission in Sri Lanka”, 28th January 1998.

India International Centre, New Delhi.

“Recent archaeological discoveries in Afghanistan and the destruction of cultural heritage”, 12th January 2002.
“New Archaeological evidence: History of Greeks in Bactria and India revisited”, 21st December 2004.
“Understanding the ancient Indian Ocean trade through Buddhist iconography” 28th February 2023.

Jamia Milia University, New Delhi.

“The destruction of the Cultural Heritage of Pakistan”, 15th January 2002.

Centre for Archaeological Studies & Training, Eastern India, Calcutta.

“Recent archaeological discoveries from Afghanistan”, 5th January 2004.
“New archaeological evidence on trade relationship between ancient South-India and Sri Lanka, 6th January 2004.
“Sigiriya: A Study of Landscape architecture in ancient Sri Lanka”, 13th December 2004.

Department of Ancient Indian History & Culture, University of Calcutta

“Numismatic evidence in constructing Indo-Greek history”, 6th January 2004.
“History of Greeks in Bactria and India revisited”, 14th December 2004.
“Sigiriya pleasure gardens”, 5th December 2007.
“Chronology of early Kushans”, 6th December 2007.
“Ships and shipwrecks in the Indian Ocean”, 12th February 2013.
“Diffusion of Buddhist art along the maritime silk routes", 16th January 2019.

The Asiatic Society of Bengal, Calcutta.

“Sculptures of Amaravati tradition in Sri Lanka”, 6th December 2007.

Department of History, Pondicherry University, Puducherry

"A 2nd Century BCE shipwreck in the Indian Ocean and the role of the Bodhisattva Avalokitesvara as the protector of mariners”, 22nd January 2013.

Samvidya Institute of Cutural Studies, Pune

“Second Century BCE shipwreck in Sri Lanka and maritime trade networks in the Indian Ocean”, 30th January 2013.
“Recent Archaeological and numismatic discoveries from Afghanistan and Pakistan: Indo-Greek, Indo-Scythian and Indo-Parthian history revisited”, 30th January 2013.

Indian Institute of Advanced Study, Shimla

“Dionysius, the God of Fertility and Wine, in India: the Greek Interaction with Gandharan Buddhist Art”, Indian Institute of Advanced Study, Shimla, 30th July 2014.

Kerla Council for Historical Research, Trivendrum

“Sigiriya Pleasure gardens and the International Trade in the Vth century AD”, 4th January 2010.

C.P. Ramaswami Aiya Institute of Indological Research, Chennai

"New Archaeological and Numismatic Evidence on Trade in the Indian Ocean: The Discovery of the Second Century BCE Shipwreck at Godavaya, Sri Lanka", 18th August 2015.
“From Alexander the Great to Kanishka: Numismatic evidence in constructing early Central Asian and Indian history”, 1st August 2016.

Stella Maris College, Chennai.

"Alexander the Great and Dionysius: The Greek interaction with early Buddhist art”, Department of History and Tourism, 2nd August 2016.

Asiatic Society of Mumbai (Kane Institute). The 40th Mahamahopadhyaya Dr. P. V. Kane Memorial Lecture

“Study of yrade in the Indian Ocean through self-portraits of traders, with particular reference to the murals of Maharashtra,” Mumbai, 16 July, 2021.

Voyages into the Past

“Hindu gods in Gandhāran art: Brahmā, Indra, Śiva, Viṣṇu and Sūrya”, Voyages into the Past, Kolkata, 2 June, 2021.
“Hindu gods in Gandhāran art: Brahmā, Indra, Śiva and Viṣṇu and Sūrya”, Voyages into the Past, Kolkata, 2 June, 2021.
“Hindu gods in Gandhāran art. Part II: The Sun GOD”, Voyages into the Past, Kolkata, 18 JuLY, 2021

Speaking Archaeologically. Archaeological TrainingEducational workshops.

“Bodhisattva Avalokiteśvara as Protector of Traders: A Study of the Indian Ocean Trade through his Iconography,”25 July, 2021.
“Understanding the coinage of the past: Indo-Greek coins,”8 August, 2021.
"Understanding the coinage of the past: Parthian, Scythian and Kushan coins,” 18 August, 2021.
“The Buddha Śākyamuni and the bhikṣuṇī Utpalavarṇā, formerly a courtesan, in Gandhāran art”, 20th November 2021.
Ashoka University. Sonipat, Department of History.
“The importance of numismatic evidence in reconstructing the history the Greeks in India” 8th February 2023.
Visva-Bharati University, Santiniketan.
B.D. Chattopadhyay Memorial lecture series
“Contradictions in the Texts and Confusions in the Iconography: Revisiting the Great Departure Theme in Ancient Buddhist Art” 13th February 2023.
Bihar Museum, Patna.
Bihar Heritage Development Society.
“Bihar – Sri Lanka. Diffusion of Mahāyāna images through trade” 16th February 2023.
Nalanda University, Rajgir.
SHS Distinguished Lecture Series
“Indian Ocean trade through Buddhist iconographies” 17th February 2023.
University of Hyderabad
Department of History.
Exploring the Persian presence in India by means of coins and visual arts” 21st February 2023.
Maulana Azad National Urdu University. Hyderabad.
Department of History.
The heavily armoured equestrian warriors in Central Asia: Numismatic and sculptural evidence” 24th February 2023.
Indian Association for Asian & Pacific Studies, Kolkata
"Tracing land, river and sea trade networks through Buddhist art in Asia", Kolkata, 26th November, 2023.