Explanation:

• The Delhi Development Authority (DDA) is holding public consultations for the preparation of the Master Plan for Delhi 2041.
• It is a vision document for the city’s development over the next two decades.
• The existing Master Plan 2021 will be outdated next year.
• The agency wants to notify the new plan by the time that happens.
• The draft policy’s focus on water bodies and the land around it, which is referred to as the “Green-Blue policy”, would give the city a new shape.

What is Green-Blue infrastructure?

• ‘Blue’ infrastructure refers to water bodies like rivers, canals, ponds, wetlands, floodplains, and water treatment facilities.
• ‘Green’ infrastructure stands for trees, lawns, hedgerows, parks, fields, and forests.
• The concept refers to urban planning where water bodies and land are interdependent, and grow with the help of each other.
• They will offer environmental and social benefits.

Hence option 2nd is correct.