Which statement is incorrect about India and Bangladesh?

In 2010, they exchanged certain enclaves.

The correct answer is Option 4 - In 2010, they exchanged certain enclaves.

Option 1- Economic relations have improved considerably in the last 20 years.
Option 2- Bangladesh is a part of India’s Look East/Act Easy policy.
Option 3- On disaster management and environmental issues, the two states have cooperated regularly.
Option 4- In 2010, they exchanged certain enclaves. (incorrect)

CORRECTION in OPTION 4- In 2015, they exchanged certain enclaves.

Despite their differences, India and Bangladesh do cooperate on many issues. Economic relations have improved considerably in the last 20 years. Bangladesh is a part of India’s Look East (Act East since 2014) policy that wants to link up with Southeast Asia via Myanmar. On disaster management and environmental issues, the two states have cooperated regularly. In 2015, they exchanged certain enclaves. Efforts are on to broaden the areas of cooperation further by identifying common threats and being more sensitive to each other’s needs.