Option (a) is correct

Explanation:

• A typical Photovoltaic panel is made of c-Si modules (93%) and cadmium telluride thin-film modules (7%). 
• A c-Si module mainly consists of a glass sheet, an aluminium frame, an encapsulant, a backsheet, copper wires, and silicon wafers. 
• Silver, tin, and lead are used to make c-Si modules. 
• The thin-film module is made of glass, encapsulant, and compound semiconductors.

Option (a) is correct

Explanation:

• The Automated Air Defence Control & Reporting System ‘Project Akashteer’ will empower the Air Defence units of the Indian Army with an indigenous, state-of-the-art capability, to effectively operate in an integrated manner. 
• Akashteer will enable monitoring of low level airspace over the battle areas of the Indian Army and effectively control the Ground Based Air Defence Weapon Systems.

Option (d) is correct

The Great Nicobar Project

The development project consists of:

• A “greenfield city” has been proposed
• An International Container Transhipment Terminal (ICTT), 
• A greenfield international airport, 
• A power plant, and 
• A township for the personnel who will implement the project.

Infrastructure management includes:

• The port will be controlled by the Indian Navy.
• The airport will have dual military-civilian functions and will cater to tourism as well. 
• Roads, public transport, water supply and waste management facilities, and several hotels have been planned to cater to tourists.

Option (c) is correct

Explanation:

Vienna Convention on Diplomatic Relations, 1961

• It provides a complete framework for the establishment, maintenance and termination of diplomatic relations on a basis of consent between independent sovereign States, as per an introductory note on the treaty in UN’s Audiovisual Library of International Law.
• Concept of “inviolability: It affirms the concept of “inviolability” of a diplomatic mission, which has been one of the enduring cornerstones of international diplomacy.
• Universally Ratified: The Vienna Convention on Diplomatic Relations entered into force in 1964 and is nearly universally ratified, with Palau and South Sudan being the exceptions.

Option (d) is correct

Explanation:

National Company Law Appellate Tribunal 

• National Company Law Appellate Tribunal was constituted under Section 410 of the Companies Act, 2013 for hearing appeals against the orders of National Company Law Tribunal.
• It is the Appellate Tribunal for hearing appeals against the orders passed by NCLT(s) under Section 61 of the Insolvency and Bankruptcy Code, 2016 (IBC).
• It is also the Appellate Tribunal to hear and dispose of appeals against any direction issued or decision made or order passed by the Competition Commission of India (CCI).
• It is also the Appellate Tribunal for hearing appeals against the orders passed by Insolvency and Bankruptcy Board of India under Section 202 and Section 211 of IBC.

Option (d) is correct

Explanation:

• Arup Bhuyan vs. The State of Assam case served as the basis for the distinction between active and passive membership of proscribed organisations under UAPA.
• In this case, the Supreme Court held that mere membership of a banned organisation will not incriminate a person unless he/she resorts to violence or incites people to violence or does an act intended to create disorder.