A major driver of Sikkim’s economy in recent decades has been:

Heavy industry
Mining
Tourism and hospitality
Technology and IT

The correct answer is: c) Tourism and hospitality.

Sikkim is a small state in the Himalayas, India. It is a popular tourist destination due to its beautiful scenery, including mountains, forests, and lakes. The state also has a rich culture and history. Tourism is the largest contributor to Sikkim’s economy, accounting for over 20% of the state’s GDP. The tourism industry employs over 100,000 people in Sikkim.

Heavy industry is not a major driver of Sikkim’s economy. The state does not have any major heavy industries.

Mining is also not a major driver of Sikkim’s economy. The state has some small-scale mining operations, but these do not contribute significantly to the state’s economy.

Technology and IT are not major drivers of Sikkim’s economy. The state does not have a large technology or IT sector.

In conclusion, the correct answer is: c) Tourism and hospitality.