The Sundarbans Reserve Forest (SRF), which lies adjacent to the Sundarbans National Park in India, is located in which neighbouring country of India?

Introduction / Context:
The Sunderbans is one of the world s largest mangrove forests and a UNESCO World Heritage Site shared between India and a neighbouring country. For exam purposes, it is important to distinguish between the part inside India, called the Sundarbans National Park and associated protected areas, and the adjoining protected forest across the international border, known as the Sundarbans Reserve Forest (SRF). This question checks whether the learner knows which country shares this famous mangrove ecosystem with India.

Given Data / Assumptions:

The Sundarbans Reserve Forest (SRF) is mentioned as being adjacent to Sundarbans National Park in India.
The question asks which neighbouring country contains this SRF area.
Options given are Bhutan, Pakistan, Bangladesh and Nepal.
We assume current political boundaries in South Asia and standard school atlas information.

Concept / Approach:
The core concept is the geography of the Ganga Brahmaputra delta and India s international borders in the east. The Sundarbans mangroves occupy the low lying delta formed mainly by the Ganga and Brahmaputra rivers, spread across the southern part of West Bengal and the adjacent coastal region of another country. That country is Bangladesh, which occupies the larger eastern part of the delta, including a very extensive mangrove tract officially protected as the Sundarbans Reserve Forest. The approach is to recall this deltaic layout and then match it with the given options.

Step-by-Step Solution:
Step 1: Recall that the Sundarbans region lies in the lower Ganga Brahmaputra delta along the Bay of Bengal.Step 2: Remember that this mangrove area is divided between India and Bangladesh, with India s part in West Bengal and Bangladesh holding the larger share.Step 3: Know that the term Sundarbans Reserve Forest (SRF) is used for the protected mangrove area inside Bangladesh.Step 4: Compare this with the options and select Bangladesh as the correct neighbouring country.

Verification / Alternative check:
A quick atlas check shows that West Bengal shares its eastern border with Bangladesh along the lower delta, and the label Sundarbans often appears on both sides of that border. Standard references describe the Bangladeshi part as the Sundarbans Reserved or Reserve Forest and highlight its role as critical tiger habitat. Bhutan and Nepal are landlocked Himalayan countries with no mangrove coasts, and Pakistan lies far to the west along the Arabian Sea, not the Bay of Bengal. Therefore, only Bangladesh fits the description.

Why Other Options Are Wrong:
Bhutan is a mountainous country north of West Bengal and Assam with no coastal mangroves and no part of the Sundarbans.
Pakistan lies to the northwest of India across Rajasthan, Punjab and Gujarat and has its own Indus delta mangroves, not the Sundarbans.
Nepal is another landlocked country in the Himalayas and the Ganga plain, with no Bay of Bengal coastline and no Sundarbans mangroves.
Thus these three countries cannot contain the Sundarbans Reserve Forest adjacent to India s Sundarbans National Park.

Common Pitfalls:
Students sometimes broadly remember that the Sundarbans is in eastern India and confuse neighbouring countries, especially between Bangladesh, Bhutan and Nepal. Others may mix up Pakistan s Indus delta mangroves with the Sundarbans on the Bay of Bengal. To avoid such errors, always connect the Sundarbans with the Ganga Brahmaputra delta and with Bangladesh to the east of India, rather than with the Himalayan or western neighbours.

Final Answer:
The Sundarbans Reserve Forest (SRF) adjacent to India s Sundarbans National Park is located in Bangladesh.