Solution:

• Constitution (100th Amendment) Act 2015 ratified the land boundary agreement between India and Bangladesh.

• The act amended the 1st schedule of the constitution to exchange the disputed territories occupied by both the nations in accordance with the 1974 bilateral LBA.

• The India-Bangladesh Agreement was signed in 1974.

• Pranab Mukherjee was the president of India during the 100th amendment.

• India and Bangladesh share a 4,096 km land boundary covering West Bengal, Assam, Tripura, Meghalaya and Mizoram.

• Manmohan Singh was the prime minister of India during the 100th amendment.