Option (a) is correct

Explanation:

• A recent estimation was conducted in Himachal Pradesh, as part of the Snow Leopard Population Assessment.
• Statement 1 is correct: It is listed in Schedule I of Wildlife (Protection) Act 1972.
• Statement 2 is not correct:  It is found in Jammu and Kashmir, Ladakh, Uttarakhand, Arunachal Pradesh, Sikkim, besides Himachal Pradesh. 
• Habitat destruction, invasive species, climate change and pollution are having an unprecedented impact on the snow leopard worldwide.
• It serves as an indicator of the health of the Himalayan ecosystems in terms of climate change and biodiversity.

Option (b) is correct

Explanation:

• Rafah crossing is the southernmost post of exit from Gaza city in Palestine and borders Egypt’s Sinai peninsula.
• Rafah is now also the only crossing point for humanitarian aid into Palestine amid ongoing conflict.

Option (a) is correct.

Explanation: 

• Statement 1 is not correct: The Nutrient Based Subsidy Scheme(NBS) has been implemented since 2010 by the Department of Fertilizers, Ministry of Chemicals and Fertilizers.
• Statement 2 is not correct: Under the scheme, fertilizers are provided at subsidized rates based on the nutrients contained, namely Nitrogen (N), Phosphate (P), Potash (K) and Sulphur (S). 
• It does not include urea-based fertilizers.
• Statement 3 is correct: The government also decides where they can sell the fertilisers apart from subsidising and deciding at what price companies can sell.

Option (c) is correct.

Explanation:

• An IIT Bombay-incubated company (Haystack Analytics) has created a comprehensive drug resistance test for tuberculosis (TB).
• Whole-Genome Sequencing (WGS): WGS is a genetic fingerprinting technique that determines the entire DNA sequence of an organism which can be used for testing drug resistance TB.
• Statement 1 is correct:  WGS would allow rapid identification of the origin and drug resistance (DR) profile of TB strains in the patients.
• Statement 2 is correct: Analysing the genomic data of the organism is an important molecular tool for TB surveillance and detecting resistance. 

Option (c) is correct 

Explanation: 

• In a recent judgement, the Supreme Court invoked Article 142 of the Constitution to appoint a postal assistant after the postal department refused to hire him despite his high merit list ranking.
• Article 142 of the Constitution deals with the Supreme Court’s power to exercise its jurisdiction and pass order for doing complete justice in any cause or matter pending before it. 
• Article 131: Original jurisdiction of the Supreme Court
• Article 136: Special leave to appeal by the Supreme Court
• Article 143: Power of President to consult Supreme Court