Today’s Current Affairs: 21st May 2025 for UPSC IAS exams, State PSC exams, SSC CGL, State SSC, RRB, Railways, Banking Exam & IBPS, etc
Day: May 21, 2025
PBAT
PBAT: Kamalpur Nagar Panchayat in Tripura has introduced compostable bags made from PBAT as a sustainable alternative to single-use plastic (SUP). PBAT (Polybutylene Adipate Terephthalate) is a biodegradable thermoplastic polymer used as an eco-friendly substitute for traditional plastics. It is a copolymer of adipic acid, 1,4-butanediol, and terephthalic acid and can be processed using conventional […]
Jarosite
Jarosite: A recent study by a team of researchers from India has explored jarosite samples from Kachchh, Gujarat, a region with terrain conditions similar to Mars. Jarosite is a yellow-brown mineral composed of potassium, iron, and sulphate, commonly found in arid, saline environments. The study aimed to assess whether jarosite can act as a “natural […]
Vitamin D deficiency : silent epidemic
Vitamin D deficiency : silent epidemic India, the world’s most populous country, suffers from widespread micronutrient deficiencies, with Vitamin D deficiency emerging as a silent epidemic. Vitamin D (also referred to as calciferol) is a fat-soluble vitamin that is naturally present in a few foods, added to others, and available as a dietary supplement. It […]
Jayant Narlikar
Jayant Narlikar: Eminent astrophysicist, science communicator, and Padma Vibhushan awardee Dr. Jayant Vishnu Narlikar passed away in Pune recently. He was one of India’s most distinguished astrophysicists and a global name in theoretical cosmology. He was born on July 19, 1938, in Kolhapur, Maharashtra. He earned his B.Sc degree from the Banaras Hindu University (BHU) […]
Operation Olivia
Operation Olivia: The Indian Coast Guard’s (ICG) annual mission, ‘Operation Olivia’, helped protect a record of over 6.98 lakh Olive Ridley turtles nested at the Rushikulya river mouth in Odisha recently. It is an important initiative of the Indian Coast Guard (ICG) conducted annually from November to May. It is aimed at ensuring safe nesting […]
Doctrine of Presumption of Constitutionality
Doctrine of Presumption of Constitutionality: Countering the Supreme Court’s observation that a parliamentary statute enjoys a presumption of constitutionality, petitioners recently termed the new Waqf (Amendment) Act, 2025, a “creeping acquisition” of Waqf properties owned by the Muslim community. It is a fundamental principle in Indian constitutional law, rooted in the respect for legislative authority […]
Overseas Citizen of India : In News
Overseas Citizen of India : In News The Union Home Minister and Minister of Cooperation launched the new Overseas Citizen of India (OCI) Portal in New Delhi recently. The Overseas Citizenship of India (OCI) Scheme was introduced by amending the Citizenship Act, 1955, in August 2005. The Central Government may, subject to such conditions and […]
Udanti Sitanadi Tiger Reserve
Udanti Sitanadi Tiger Reserve: Recent camera trap images from Chhattisgarh’s Udanti Sitanadi Tiger Reserve (USTR) have captured a promising resurgence in wildlife activity, showing extensive use of the forest by carnivores, herbivores, and omnivores alike. Udanti Sitanadi Tiger Reserve is located in the Gariaband and Dhamtari Districts of Chhattisgarh. It was established by joining the […]
Directorate General of Foreign Trade
Directorate General of Foreign Trade: The Government of India has updated its import policy for gold and silver to align customs tariffs with trade regulations, as notified by the Directorate General of Foreign Trade (DGFT). The Directorate General of Foreign Trade (DGFT) is an attached office of the Ministry of Commerce and Industry. It is […]