The correct answer is: a) Pradhan Mantri Gram Sadak Yojana (PMGSY).
The Pradhan Mantri Gram Sadak Yojana (PMGSY) is a centrally sponsored scheme launched by the Government of India in 2000 to provide road connectivity to all rural habitations with a population of 500 or more. The scheme is implemented by the Ministry of Rural Development.
The PMGSY has been successful in improving road connectivity in rural areas of Mizoram. As of 2019, the scheme has constructed 1,400 km of roads in the state, connecting 1,200 habitations. The scheme has also helped to improve the socio-economic conditions of the people in rural areas of Mizoram.
The other options are incorrect because they are not aimed at improving road connectivity in rural areas of Mizoram.
- Bharatmala Pariyojana is a national highway development project launched by the Government of India in 2016. The project aims to develop a network of national highways to improve connectivity between major economic centers of the country.
- Setu Bharatam is a national highway development project launched by the Government of India in 2015. The project aims to construct and repair bridges on national highways.
- National Highways Development Project (NHDP) is a national highway development project launched by the Government of India in 1998. The project aims to develop a network of national highways to improve connectivity between major economic centers of the country.