Science and Technology

Telescopes & AI in Education — NLST, NLOT, Bodhan AI & Bharat-VISTAAR | March 2026

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CURRENT AFFAIRS | MARCH 2026

CLAT Relevance

  • NLST and NLOT — India’s telescope infrastructure in Ladakh
  • Bodhan AI — AI in education, Digital Public Infrastructure
  • Bharat-VISTAAR — AI for agriculture, budget allocation
  • Government schemes and scientific infrastructure

NLST — National Large Solar Telescope

  • NLST: 2-metre aperture solar telescope at Merak near Pangong Tso, Ladakh
  • India’s 3rd ground-based solar observatory after:
    • Kodaikanal (1899) — India’s first
    • Udaipur (1975) — India’s second
  • Observes in visible and near-infrared wavelengths
  • Timeline: 5-6 years to become operational

NLOT — National Large Optical-Near Infrared Telescope

Key Facts: NLOT

  • 13.7-metre segmented mirror at Hanle, Ladakh
  • Will be one of the world’s largest optical-infrared telescopes
  • India’s TMT (Thirty Meter Telescope) participation experience helps with design
  • Both NLST and NLOT in Ladakh — leverages high altitude, dry air, low light pollution
Mnemonic: India’s Telescope Pair in Ladakh
NLST = Solar, 2m, Merak (near Pangong) → studies the Sun
NLOT = Optical, 13.7m, Hanle → studies stars and galaxies
Both in Ladakh — high altitude = better seeing conditions

Bodhan AI & Bharat EduAI Stack

  • MoE Conclave: February 12-13, 2026
  • Bharat EduAI Stack proposed as DPI for education
  • AI capabilities for Indian languages — speech recognition and synthesis
  • Builds on India’s DPI model (Aadhaar, UPI, DigiLocker)

Bharat-VISTAAR — AI for Farmers

Bharat-VISTAAR Details

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  • Full form: Virtually Integrated System to Access Agricultural Resources
  • Budget: Rs 150 crore in Budget 2026-27
  • Access: Phone call to 155261 → AI Assistant “Bharati”
  • Integrates: AgriStack + ICAR
  • Guidance on: crop planning, pests, weather, government schemes
  • AI-powered, multilingual — works in local languages

Source: UPSC Essentials, The Indian Express — March 2026

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