AllABCDEFGHIJKLMNOPQRSTUVWXYZ H H.C. Mukherjee Vice-President of Constituent Assembly.Represented Christian community.Later Vice-President of India.Advocated minority rights. Learn More → H.V.R. Iyengar Member of Constituent Assembly.Later RBI Governor.Administrative expert.Involved in financial discussions. Learn More → Hanging Valley Definition: Tributary valley left above main valley floor.Prelims Pointers: Glacial erosion indicator.PYQ: UPSC Prelims 2013Current... Learn More → Hanging Valleys Definition: Tributary valleys left above main glacial valley.Prelims Pointers: Glacial erosion feature.PYQ: UPSC Prelims 2013Current... Learn More → Harrod-Domar Model Definition: An economic growth model that links growth to savings rate and capital-output ratio. It... Learn More → Hasdeo Arand Definition: Dense forest region in Chhattisgarh.Key Facts: Rich biodiversity; coal mining debate.Prelims Trap: Conservation vs... Learn More → Hayli Gubbi Definition: Meteorite impact crater in Karnataka, India. Prelims Pointers: Small impact structure; Geological significance; UPSC map-based... Learn More → Headline Inflation Definition: Headline inflation measures the total inflation within an economy, including all commodities such as... Learn More → Henry Vivian Derozio Leader of Young Bengal movement.UPSC: Hindu College. Learn More → Hindu College Institution fostering modern education.UPSC: Later Presidency College. Learn More → Hindu Rate of Growth Definition: A term describing India’s low growth rate (~3.5%) before economic reforms.Key Points for Prelims:•... Learn More → Hindustan Republican Association Definition: Revolutionary organization.Founded: 1924Prelims facts: Linked to Kakori robbery (1925). Learn More → Hindustan Socialist Republican Association Definition: Socialist reorganization of HRA.Year: 1928Prelims facts: Leaders included Bhagat Singh and Chandrashekhar Azad. Learn More → Homo sapiens - The species of anatomically modern humans that evolved in Africa around 300,000 years ago.-... Learn More → HOPS 315 Definition: Hyperspectral imaging satellite sensor.Key Facts: Used in mineral exploration. Learn More → HOPS315 Definition: Hyperspectral Optical Payload (HOPS-315) is an advanced sensor used for mineral and vegetation mapping.Key... Learn More → Horns Definition: Sharp pyramidal peaks formed by glacial erosion.Prelims Pointers: Example: Matterhorn.PYQ: UPSC Prelims 2017Current Affairs:... Learn More → Horst Definition: Uplifted block between faults.Prelims Pointers: Example—Black Forest (Germany).PYQ: UPSC Prelims 2016Current Affairs: Rift valley... Learn More → Hul Definition: Santhal rebellion against British rule and zamindari oppression.Time period: 1855–56.Leaders: Sidhu and Kanhu.PYQ Tag:... Learn More → Human Capital Definition: Human capital refers to the stock of skills, knowledge, health, and abilities embodied in... Learn More → Hunter Commission Definition: Inquiry commission on Punjab disturbances.Year: 1919Prelims facts: Investigated Jallianwala Bagh massacre. Learn More → Hybrid Annuity Model Definition: A PPP model combining EPC and BOT, where government shares construction cost and traffic... Learn More → Hydroxymethanesulphonate Definition: Cloud-formed compound from SO₂ and formaldehyde.UPSC Traps: Acts as temporary sulfur reservoir, not direct... Learn More → Hygroscopic Nuclei Definition: Particles aiding condensation.PYQ: 2018 Learn More → Hypocenter Definition: The actual point inside the Earth where an earthquake originates.• UPSC Pointers: Also called... Learn More →
