Which one of the following regions of India has a combination of mangrove forest, evergreen forest and deciduous forest?

The correct option is Andaman and Nicobar Islands.

To understand why this is the correct answer, we can analyze the geographical and climatic features of the Andaman and Nicobar Islands that allow it to support such diverse forest types:
1. Mangrove Forests: Because the Andaman and Nicobar Islands are an archipelago surrounded by the sea, they have extensive coastline, estuaries, and tidal creeks. These saline and marshy conditions are ideal for the growth of rich mangrove vegetation along the coastlines.
2. Evergreen Forests: The islands experience a hot and humid tropical climate with very high annual rainfall (from both the Southwest and Northeast monsoons). This continuous moisture and warmth support dense, multi-layered tropical wet evergreen and semi-evergreen forests.
3. Deciduous Forests: In areas of the islands where the soil moisture decreases or during the brief dry dry-season periods, moist deciduous forests and dry deciduous forests thrive. These trees shed their leaves seasonally to conserve water.

Other regions listed in the options, such as North Coastal Andhra Pradesh, South-West Bengal, and Southern Saurashtra, do not possess the unique combination of high rainfall, equatorial-like climate, and extensive maritime buffer zone required to support all three distinct forest types (mangrove, evergreen, and deciduous) in close proximity.