With reference to Trans-Himalayan network, which of the following statements is/are correct?

1. It is an economic corridor between Nepal and India, under the Bangladesh, Bhutan, India, Nepal (BBIN) Initiative.
2. The network comprises of multiple transportation infrastructure projects, one such project being China–Nepal railway.

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With reference to the Advanced Towed Artillery Gun System (ATAGS), which of the following statements are correct?

1. It is an indigenous howitzer gun developed by the Defence Research and Development Organisation (DRDO).
2. Armament Research and Development Establishment (ARDE) was the nodal agency for the ATAGS project.
3. The specialised gun system is compatible with the Artillery Combat Command and Control System (ACCCS) called Shakti.

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NIPAM, recently in news for achieving its target, is mainly associated with:

With reference to the Flag Code of India 2002, which of the following statements is/are correct?

1. Indian flag can be hoisted on all days by any person, organization and educational institution.
2. Indian flag can only be made of khadi or cotton.
3. National flag cannot be flown on any vehicle except those of the President, Vice President, Prime Minister, Governor and other dignitaries.

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India adds 11 more wetlands to the list of Ramsar sites to make total 75 Ramsar sites. With reference to these wetlands, consider the following pairs:

     Wetlands      States/Union Territories
1. Tampara Lake - Odisha
2. Yashwant Sagar - Madhya Pradesh
3. Chitrangudi Bird Sanctuary - Maharashtra
4. Hygam Wetland Conservation Reserve - Jammu and Kashmir

Which of the pairs given above are correctly matched?