India claims great heritage in grammar and classical music. Indian subcontinent is a store house of archaeology maintaining un-broken ladder down the time line to 5000 years before present. Her claims to sciences and technologies have been scantily corroborated on archaeology touch stone. A multi-disciplinary scholar with long and deep field experience, trained in western methods of enquiry and dispassionate report, presents tangible and intangible science heritage with corroborating archaeology covering Positional astronomy; Star tracking; Mathematics; Engineering; Architecture; Anti-weathering; Soil conservation; Weather modification; Irrigation; Maritime; Health; Erotic sciences. A Compass, a Dock and Navigation Devices; Aero vehicle; Anti-cyclone and Anti heat wave designs; Hidden messages in icons and anicons; 150 rare palm leaf manuscripts; Insightful introduction. 21 essays; 202 images; 296 pages. Numerous discoveries, Demystifies. Opens lively opportunities. Never before convenience for all to observe, study, research, reflect upon India''s scientific heritage. Great guide. Sets mind and imagination racing. This book is a must for India visitors and IAS-indologists, administrators, scholars.