Under which Article of the Indian Constitution does the President issue a public notification for the Scheduled Tribes for a specific state?

In which Article of the Indian Constitution is there a provision of reservation of seats for Scheduled Tribes in the State Assembly?

Which article of the Indian Constitution deals with the Protection of Scheduled Castes and Tribes?

Which article of the Indian Constitution deals with the Power of the President to Pardon Offenders?

In which Article of the Constitution of India was the provision for reservation of scheduled castes in the Lok Sabha made?

Which one of the following is not correctly matched? (Article of the Indian Constitution - Related State)