Consider the following statements regarding environment issues of India: 1. Gulf of Manner is one of the biosphere reserves. 2. The Ganga Action Plan, phase II has been merged with the National River Conservation Plan. 3. The National Museum of Natural History at New Delhi imparts nonformal education in environment and conservation. 4. Environmental Information System (ENVIS) acts as a decentralised information network for environmental information. Which of these statements are correct?

1. Statement 1: The Gulf of Mannar, located between India and Sri Lanka, is known for its rich marine biodiversity and was designated as a Biosphere Reserve in 1989. (Correct) 2. Statement 2: The Ganga Action Plan (GAP) Phase II, aimed at cleaning the Ganga river, was indeed integrated with the broader National River Conservation Plan (NRCP), extending conservation efforts to other major rivers as well. (Correct) 3. Statement 3: The National Museum of Natural History (NMNH) in New Delhi has a mandate to promote environmental education and awareness, including non-formal education on environment and conservation. (Correct) 4. Statement 4: The Environmental Information System (ENVIS), established by the Ministry of Environment and Forests, functions as a decentralised information network. It collects, collates, stores, retrieves, and disseminates environmental information through various centres across India. (Correct) 5. All four statements regarding environment issues of India are correct.