The correct answer is: d) All of the above.
Mizoram has made significant progress in recent decades in areas like literacy and education, healthcare infrastructure, and connectivity and transportation.
In terms of literacy and education, the literacy rate in Mizoram has increased from 61.3% in 1991 to 88.2% in 2011. The state has also made significant investments in education, with the number of schools and colleges increasing significantly in recent years.
In terms of healthcare infrastructure, the state has made significant investments in building new hospitals and clinics, and in improving the quality of healthcare services. The state has also made progress in reducing maternal and infant mortality rates.
In terms of connectivity and transportation, the state has made significant investments in building new roads and bridges, and in improving air and rail connectivity. The state has also made progress in reducing the number of people living in remote areas without access to basic infrastructure.
These are just some of the areas in which Mizoram has made significant progress in recent decades. The state has also made progress in areas such as agriculture, tourism, and economic development.