Yes, you can pursue an MSc in Neuroscience after a BSc in Nursing, although you might need to take additional bridging courses depending on the specific program and university, as your background in nursing may not fully cover the required foundational knowledge in neuroscience.

Moreover, M.Sc. program in Neuroscience at Jawaharlal Nehru University (JNU), you must meet the following requirements:

Have a bachelor's degree in any branch of basic or applied sciences from a recognized university or institute.

You need to apply through university as there is no specific entrance exam for MSc neuroscience also,you can get admission through CUET PG, NEET PG etc.