Scientist · Author · Traveller · Photographer
"Diversity is not confusion but structure — a landscape written in culture."
Deepak Prasher is a scientist, traveller, photographer, and writer whose work explores the relationship between landscape and culture across the Indian subcontinent. Born in Jodhpur and raised in different regions of India, he experienced early the country's striking geographical and cultural contrasts before moving to the United Kingdom at the age of eleven.
He became a research scientist with the British Medical Research Council and is now Emeritus Professor at University College London, with a distinguished career spanning biomedical sciences, audiology, and noise and health research. He is the founding and chief editor of the Noise & Health journal, a position he held for over twenty years, and has edited six books on noise health effects alongside more than a hundred research papers in peer-reviewed journals.
Over many years he has returned regularly to India, travelling slowly and attentively across its regions — often by train and often with his family. These extended journeys, from the Himalayas to the southern coasts, have informed a long study of how terrain shapes settlement, belief, and tradition. He now spends part of each year in Kerala.
India cannot be understood through any single lens. The How to Read India series teaches you how to interpret the subcontinent — its terrain, its mind and body, its literature, its cuisines, its history, its architecture, its languages, and its religions — as a unified civilisational text. Each book is an interpretive key to one dimension of India's extraordinary diversity.
To understand diversity through terrain — how mountains, rivers, coasts, and plateaux shaped the civilisations that grew upon them. 22 chapters across 7 landscape types.
To understand harmony of mind and body — the Yogic and Ayurvedic framework for understanding the human being as a unified field of consciousness and matter.
To understand the philosophy of life and lessons for living — 42 works from the Rig Veda to Arundhati Roy, examined through five interpretive dimensions.
How to Read India's Cultural Landscapes
Deepak Prasher · Read India Press · 2026
"This book invites you to notice those relationships for yourself — a practical literacy in reading cultural landscapes that emerges from patient travel and close observation."
Most travellers experience India as overwhelming. Languages shift every few hundred kilometres. Temple architecture transforms at invisible boundaries. The same festival carries different meanings across regions. Yet this diversity follows patterns — and this book shows how to recognise them.
Organised into seven parts, the book moves through India's great landscape types: mountain ranges and escarpments, river systems and deltas, coastal stretches, plateau interiors, arid zones, frontier highlands, and sacred landscapes. Each chapter reveals how terrain has shaped the culture around it.
Professor Prasher's academic career at University College London spans audiology, noise-induced hearing loss, the health impacts of environmental noise, and biomedical research. He is the Founding Editor-in-Chief of Noise & Health — the leading international journal in its field — and has edited six major academic volumes. His work has accumulated over 3,700 citations on Google Scholar, includes three publications in The Lancet, and has been featured across BBC television and radio, NBC, the Canadian Broadcasting Corporation, Deutsche Wella, The Guardian, and New Scientist.
Noise & Health
International Journal · Founding Editor-in-Chief
Emeritus Professor, University College London
Professor Prasher's research has shaped public policy and featured widely in the media, translating laboratory findings into public health advocacy.
Noise has been the Cinderella form of pollution and people haven't been aware that it has an impact on their health. The new data provide the link showing there are earlier deaths because of noise.
All this is happening imperceptibly. Even when you think you are used to the noise, these physiological changes are still happening.
Traffic noise increases stress by driving up cortisol
Established the direct physiological link between traffic noise exposure and elevated cortisol — the paper that underpinned subsequent cardiovascular risk research worldwide.
New strategies for prevention and treatment of noise-induced hearing loss
Reviewed emerging clinical trial strategies for 600 million workers in hazardous noise environments — 25–30 million in Europe alone — addressing combined risks from noise, chemicals, and extreme temperatures.
Effect of MRI noise on cochlear function
Demonstrated that MRI-generated noise measurably damages cochlear function via otoacoustic emissions, even with earplugs fitted — a finding with direct implications for clinical practice in radiology.
London street noise at dangerous levels
Prof Prasher's measurements found London traffic noise exceeded safe exposure thresholds over an eight-hour period — putting pedestrians and outdoor workers at risk of hearing damage.
Major survey of noise levels across 41 English towns and cities
Authored by Professor Prasher at the UCL Ear Institute, the report established a landmark dataset of urban noise exposure across England, influencing noise policy and urban planning.
Noise pollution linked to cardiovascular deaths — hundreds of thousands worldwide
Professor Prasher's research on stress hormones elevated by noise even during sleep was cited in both publications as landmark evidence of noise as a life-threatening public health issue.
Professor Prasher delivers keynotes and talks for universities, literary festivals, travel communities, and scientific conferences. His presentations draw on decades of research and travel, combining rigorous insight with the warmth of a gifted storyteller.
Reading India's Cultural Landscapes
A journey through how terrain shapes culture — architecture, language, cuisine, and belief across the subcontinent.
Noise, Health & the Urban Environment
Forty years of research on how sound pollution affects human health and what modern cities must do differently.
Slow Travel as Deep Knowledge
How patient, repeated travel across India over decades revealed patterns invisible to the casual visitor.
Science, Story & the Written Word
On bridging academic research and accessible narrative — for scientists who want to reach broader audiences.
For speaking enquiries, media requests, or academic collaboration, please write below or email D.prasher@ucl.ac.uk directly.
Alongside the written work, Professor Prasher has documented his travels across India through photography — from the ghats of Varanasi at dawn to the high passes of Ladakh, from the backwaters of Kerala to the painted havelis of Shekhawati. The photographs are not illustrations of the books. They are a parallel act of reading the same landscape.
Photography Portfolio
deepakprasher.smugmug.com
The full portfolio — India and beyond — landscapes, sacred sites, people, and light.
Selected journeys documented as photo books, available through Blurb. Each is a visual companion to the landscapes described in the How to Read India series.
More photo books forthcoming as the How to Read India series develops — one visual companion per landscape region.