Explanation

• Option a is correct – The Nelson Complexity Index (NCI) measures the complexity and sophistication of an oil refinery.
• This indicate its ability to process different types of crude oil and produce high-value petroleum products.
• A higher NCI signifies a more advanced refinery.

Explanation

• Statement 1 is correct – Green methanol (e-methanol) is produced by reacting green hydrogen with carbon dioxide captured from industrial emissions or the atmosphere.
• Statement 2 is correct – Green methanol can be used as a primary chemical precursor to produce Sustainable Aviation Fuel (SAF).

Explanation

• Option a is correct – The Sardar Sarovar Dam is a massive concrete gravity dam built across the Narmada River near Navagam in Gujarat, India.
• It supplies irrigation water and hydroelectric power to four major states: Gujarat, Madhya Pradesh, Maharashtra, and Rajasthan.
• Major structures like the Sriram Sagar Project (Pochampadu) and the Jayakwadi Dam built on the Godavari river.
• Famous Nagarjuna Sagar Dam and Srisailam Dam are constructed across the Krishna River.
• Tapi is a west-flowing river features the Ukai Dam (also known as Vallabh Sagar) in Gujarat.

xplanation

• Option a is correct – PGI is a data-driven framework devised by the Union Ministry of Education.
• To evaluate the quality and effectiveness of school education systems across Indian States, Union Territories (UTs), and Districts

Explanation

• Option d is correct – Global Liveability Index 2026 was released by Economist Intelligence Unit.
• It covers 173 cities worldwide on 30 indicators.
• Its objective is to identify those offering the highest quality of life.