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Archive · 27 May 2021

3 APPSC Facts

One from Polity, one from History, one from Current Affairs. Deterministic selection for this date — same 3 cards every time.

The three facts for 27 May 2021

Polity·Fundamental Rights Duties
High Frequency

How many Fundamental Duties are currently in the Constitution?

Answer: 11 duties — 10 added in 1976, 11th in 2002.

86th Amendment (2002) added duty to provide education opportunities to children aged 6–14.

History·Vijayanagara Empire
High Frequency

What is the Amara-Nayaka system?

Answer: Military commanders assigned territories — collect revenue, maintain army, pay tribute to king.

Similar to Delhi Sultanate's iqta but distinct; Nayankara system inherited from Kakatiyas.

Current Affairs·Important Events
High Frequency

What is NISAR and when was it launched?

Answer: Joint NASA-ISRO satellite launched July 30, 2025 — studies Earth surface changes.

NISAR = NASA-ISRO Synthetic Aperture Radar — first joint mission between the two agencies.

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