The correct answer is option-1 Mizoram. Mizoram has the highest level of literacy among the given options. Literacy rate refers to the percentage of the population above a certain age group that can read and write. It is an important indicator of a country`s or state`s education level.

Option-2 West Bengal, option-3 Gujarat, and option-4 Punjab are not the correct answers in this case, as Mizoram has a higher literacy rate than these states.

Mizoram, a state in Northeast India, has made significant progress in education over the years. The state government and various organizations have implemented several initiatives and policies to improve education access and quality. This has resulted in a higher literacy rate compared to other states.

It is important to note that literacy rates can vary over time, so it is always good to refer to the latest data available for accurate information.