Arrange the following initiatives/events related to the cleaning and conservation of the Ganga River in chronological order (from earliest to latest): 1. Launch of the Ganga Action Plan (GAP) Phase-I. 2. Declaration of Ganga as the 'National River' of India. 3. Launch of the Namami Gange Programme. 4. Establishment of the National Ganga River Basin Authority (NGRBA). Select the correct answer using the codes given below:

Options:

• A: 1-4-2-3
• B: 1-2-3-4
• C: 1-2-4-3
• D: 2-1-4-3

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