Spiral-bound booklet containing a private report relating to the work of ONGC sponsored by the Government of Canada.

Contains: i) a project proposal on 'Interpretation of aeromagnetic data south of 25 degree N latitutde' ii) a paper titled 'Aeromagnetic study of peninsular India' with co-authors P. Harikumar and Mita Rajaram iii) paper titled 'Comparison of the Aero and marine magnetic data over Peninsular India'.

Contains a paper and a draft of 'Composite Magnetic Anomaly Map of India and its contiguous regions' co-authored by Mita Rajaram and S.P. Anand.

Contains: i) a paper on 'Analysis of Crustal Structure in Western Offshore Area Using Gravity Data' co-authored by P.Unnikrishnan ii) Draft titled'The use of Satellite Observations in Study of the Crust of the Indian Subcontinent'. iii) draft titled 'Crustal Blocks in the Indian Peninsula'

Contains: i) a paper titled 'The New Tectonic Map of India and Contiguous Areas' co-authored by P. Unnikrishnan and A.V.S. Murty ii) two drafts titled 'The New Tectonic Map of the Indian Subcontinent and Surrounding Areas' iii)

Lecture Docket with annotations and maps

Lecture Docket with annotations and maps

Lecture Docket with maps

Lecture Docket with maps

Lecture Docket with maps

Lecture Docket with maps

21 hand-drawn transparencies for lectures

19 hand-drawn trancparencies for lectures

17 hand-drawn transparencies for lectures

Hard-bound diary containing rough research notes and calculations

Spiral-bound diary containing rough research notes, calculations and drafts of letters

Printed map with markings and writings in pencil and pen

Map made by KDMIPE, ONGC

Map made by ONGC for the Bombay Offshore Project with handwritten notes.

Map made by processing analyst, D K Sinha.

Created by Anand, Rajaram and Balakrishnan; printed map with drawings and snippings of other maps taped on certain parts, affiliated with the Indian Institute of Geomagnetism.

Map in scale-1:4000000; data compiled and interpreted by Balakrishnan; with markings; torn in two (bottom half missing), affiliated with the Indian Institute of Geomagnetism.

Printed map around 10 -11 feet long with drawings on it, affiliated with the Gurdaspur Pendulam Station (Survey of India).

Map torn into two halves; scale-1:4000000, affiliated with the Geological Survey of India.

Contains a printed map with pencil markings on it along with a booklet, affiliated with the Wadia Institute of Himalayan Geology.

Printed map with drawings over the area off the western coastline; Scale- 1:500000, affiliated with the Geological Survey of India.

Contains map from the late 1970s; Scale 1:2000000, affiliated with the US Geological Survey.

Contains a printed map and a blueprint with notes and markings.

Contains a map in 21 pieces, some are annotated.

Contains maps from Survey of India, Geological Survey of India and Aeronautical Chart and Information centre USA along with two indices corresponding to the maps. Came in a Spring File belonging to Sudhir Jain.

Contains: i) Geological Sections through the Eastern Kumaon Himalayas ii) Generalised section through the himalayas iii) Panorama of the Himalayas

Papers from the 7th International Conference and Exposition on Petroleum Geophysics.

Two unlabelled tracings of the Indian subcontinent

Tectonic Map ONGC (2009) by Balakrishnan, Unnikrishnan and Murty

Contains: 1. Tectonic Map (2008) 2. Tectonic Map of India and Contiguous Areas (Paper Draft)

Contains: 1. Tectonic Map of India and its Contiguous Regions 2. Scans of maps used and made (128 slides)

1. Bay of Bengal East Coast Gravity Map 2. Draft of the "Crustal Structure of the Indian Subcontinent and Surrounding Areas" - (GSI, Memoir 123, 2009) + Accompanying images 3.IGU Abstract - "Deep Structure of the Himalayas" 4. Powerpoint presentation with picture slides

Tectonic Map ONGC (2009) by Balakrishnan, Unnikrishnan and Murty

1. Drafts and final versions of the "Structural and Tectonic Map of India and Contiguous Areas", 2009 made by T S Balakrishnan, P Unnikrishnan and A V S Murty and published by ONGC. 2. Scans of maps used and made for the same 3.Scans of assembled maps 4. Powerpoint presentation with an image of the "Tectonic Map" made by Balakrishnan dated 2013.

Contains 3 coloured photographs from his office.

single photograph of what seems like a Hydrophone Reciever.

Photos include that of S.S. Mahindra - the first seismic vessel used to carry out seismic surveys in Gulf of Cambay in 1963.

Contains 3 blw photographs of the Mahendra ONGC trials at Karwan.

Includes 34 photos taken at an event and photos of Balakrishnan in his office.

Contains coloured photographs from his office desk.

Contains 6 photographs of him receiving an award at the 3rd Conference & Exposition on Petroleum Geophysics.

Contains 3 photographs of him receiving an award at the 3rd Conference & Exposition on Petroleum Geophysics.

Contains 2 b/w photographs from an office.

Contains 5 b/w photographs from the field.

Contains 19 small black and white photographs from Hyderabad. Includes images of Osmania General Hospital, Secunderabad railway station tower, Char Minar and adjacent markets, Public Gardens, Golconda Fort, and Osmania Law College. Note that the approximate year (ca 1955) is an estimate, based on an annotation on the back of one of the images "Feb 55".

Includes a photo autographed by Raman along with negatives.

Contains 1 small blw photograph from Seringapatanam

single coloured photograph of Balakrishnan in Singapore

Photo from Balakrishnan's time in the US spent studying methods of oil exploration

Map of Southeast Asia

Map of Europe

1. Shakespeare's Britain 2. Greater New York &Tourist Manhattan 3. Suburban Washington & Tourist Washington

1. Vietnam Cambodia, Laos and Eastern Island 2.The World 3.Switzerland, Austria and Northern Italy & The Alps

1. Vietnam Cambodia Laos and Thailand 2. Indian Ocean Floor 3. Lands of the Bible Today

1. The United States 2. South East Asia

Europe

1. Asia & The peoples of Mainland Southeast Asia 2. The Heritage of Africe & The Peoples of Africa

1. Canada & Ice Age mammals of the Tundra 2. A cultural Map of the middle East & People of the Middle East 3. South America & A physical Map of South America 4. North America before Columbus & People of North America

1. The Red Planet Mars 2. Close up: USA The Northwest 3.Central America and Mexico 4. Close up: USA Wisconsin, Michigan and The Great Lakes 5. "Teammates in Mankind's Greatest Adventure"

1. Close up : USA The North Central States 2. Traveller's Map of the British Isles 3. Close up: USA California & Nevada 4. Close up: USA the South central States

1. Close up: USA Maine with the Maritime Provinces 2. Close up: USA Western New England

The Great Whales: Migration and Range

1. Close up: USA Illinois, Indiana, Ohio and kentucky 2. Europe & Celtic Europe

Close up: USA the Northeast

1. New England 2. Antarctica & Pinnipeds around the world 3. The Making of America: Great Lakes 4. United States & The Territorial Making of the United States 5. The Making of America: West Indies

1. A traveller's look at Australia & Autsralia's Continental Odyssey 2.The Making of America - tidwater and environs 3. Mount Everest 4. World & Endangered Earth

1. Special Places of the World Map Series - Yellowstone and Grand Teton 2. "The March toward Extinction 3.France & Historical France 4. Asia Pacific 5. Special Places of the world - Holy land

1. The Making of Canada - British Columbia 2. World Ocean Floors - Pacific Ocean

1. Studies in turmoil - Middle East 2. China 3.Native American Heritage - A visitors guide 4.World War 2 Europe and North Africa

1. The Making of Canada - British Columbia 2. World Ocean Floors - Pacific Ocean

1. Russia and the newly independent nations of the former soviet union 2. California

1. The world - Political and Physical 2. The Making of Canada - prairie provinces

1. The world - Political & Physical 2. Above the rockies - through digital eyes & Heart of the rockies 3. Star birth in the Orion Nebula & "The Heavens"

MIllenium in Maps - Population & Population and Resources

1. Millenium in maps - cultures 2. Millenium in maps - Milky Way & Universe

The Balkans & Plight of the Refugees

1. Town of Trieste 2. Guide to Metropolitan Los Angeles 3. World map

Torn and some tattered pages from different atlases published by the Edinburgh Geographical institute with annotations on some of the pages.

Torn and some tattered pages from different atlases published by the Edinburgh Geographical institute with annotations on some of the pages.

Pages from the Mudran Kala Mandir SchoolmAtlas made based on The Survey of India Map.

Selected pages from the Atlas including the index