Detailed Solution:
The correct answer is “2, 3 and 4”.
The legal basis for the extraordinary powers exercised by the Government of India during the lockdown was provided by the Disaster Management Act, 2005, and the Epidemic Diseases Act, 1897.
The Disaster Management Act, 2005, provides for measures to be taken for disaster management, including the preparation of mitigation strategies, response plans, and recovery measures.
The Epidemic Diseases Act, 1897, empowers the central and state governments to take special measures to control the outbreak of any epidemic disease.
Therefore, the correct answer is option (c) 2 and 4.