Explanation

• Option b is the correct – Mahad satyagaraha became the site of India’s 1st organised human rights movement, led by Dr. B. R. Ambedkar in 1927.
• Dr. B. R. Ambedkar organized about 2,500 Dalits in a march to the Chavdar Tank in Mahad, where Dalits had long been denied access to this public water source.
• In a bold act, Ambedkar drank water from the tank, symbolising equality. This triggered strong protests from caste Hindus.

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Explanation

• Option b is correct – National Career Service (NCS) Portal It is a flagship initiative that provides a wide array of career-related services.
• It aims to act as a one-stop solution to bridge the gap between job seekers and employers through a digital platform.
• It was launched in 2015 with Ministry of Labour & Employment as the nodal ministry.

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Explanation

• Statements 1 and 2 are correct – AstroSat is India’s first dedicated multi-wavelength space observatory.
• It was launched in 2015 by ISRO in collaboration with International partners like Canada and UK using PSLV-C30 (XL) rocket launch vehicle.
• It aims to study celestial sources in X-ray, optical and UV spectral bands simultaneously.
• The mission life is 5 years, but it continues to provide valuable data till now.
• Statement 3 is correct – It has 5 scientific payloads – i.e,
  • Ultra Violet Imaging Telescope (UVIT),
  • Large Area X-ray Proportional Counter (LAXPC),
  • Cadmium–Zinc–Telluride Imager (CZTI),
  • Soft X-ray Telescope (SXT) and
  • Scanning Sky Monitor (SSM)
• Ultra-Violet Imaging Telescope (UVIT) is India’s 1st ultraviolet (UV) space telescope, unique globally for combining a large field of view with high spatial resolution(<1.5 arcseconds).
• It is the only operational telescope (besides the Hubble Space Telescope) capable of observing in the far-ultraviolet spectrum.

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Explanation

• Option b is correct – Parliament has the sole power to include or exclude any caste/tribe from the lists through legislation, overriding any later executive action.
• A Bill is introduced in Parliament to amend the Constitution (Scheduled Castes) Order, 1950 or the Constitution (Scheduled Tribes) Order, 1950.
• The Bill must be passed by both Houses of Parliament.
• Under Articles 341 & 342, the President issues the final notification, giving legal effect to the inclusion/exclusion.

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Explanation

• Uttar Pradesh (24,118) accounts for the highest number of train accidents recorded in 2024.
• Tamil Nadu (18,347) ranks 2^nd, Maharashtra placed at 3^rd rank as per recent reports.

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