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Science & Technology: Mains Notes (Parts I and II)

Science & Technology: Mains Notes (Parts I and II)

Eight chapters covering biotechnology, nuclear, space, computing, frontier and defence technology, plus Indian scientists, in one searchable 138-page PDF.

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21 Aug 2026Updated
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Science and technology rewards precision more than any other GS-III area. A named mission, the agency that runs it, the stage it has reached. These notes carry the diagrams and mission tables that make that precision possible without turning the answer into a list.

What is inside

8 chapters across 138 pages, with the original classroom tables, diagrams and data intact:

  1. Biotechnology
  2. Nuclear Technology
  3. Space Technology
  4. Internet and Computing Technology
  5. Frontier Technology
  6. Defence Technology
  7. Scientists and Their Contribution
  8. Miscellaneous

Who it is for

Candidates who lose marks writing about quantum, semiconductors or space policy in general terms when the question wanted specific Indian programmes.

Format

A single A4 PDF with a real text layer, so it is searchable, selectable and prints cleanly. Free to download, and free to keep. Every page carries the Anantam IAS contact details if you want to ask about the classroom programme.

Data, schemes and case material reflect the position at the time the class was taught. Check the latest figures against the primary source before quoting them in an answer.