Massive infrastructure development in Ladakh region leads to

economic development
easy transportation for local people
strengthen India's border infrastructure
Both (A) and (C)

The correct answer is: Both (A) and (C).

Massive infrastructure development in Ladakh region leads to economic development and strengthening of India’s border infrastructure.

Economic development: The construction of new roads, bridges, and other infrastructure will improve connectivity and make it easier for businesses to operate in Ladakh. This will lead to increased economic activity and job creation.

Strengthening of India’s border infrastructure: The construction of new military bases and other infrastructure will improve India’s ability to defend its borders. This is important in light of the growing Chinese presence in the region.

In addition, the development of infrastructure will improve the quality of life for people living in Ladakh. It will make it easier for them to access education, healthcare, and other essential services.