1, 2 and 3
The Patiala Gharana is a prominent school of Indian classical music, particularly in the khayal and thumri styles. The following artists are associated with this gharana:
Thus, all three are linked to the Patiala Gharana.
1(C), 2(B), 3(A), 4(D)
Mahatma Gandhi
Mahatma Gandhi referred to the handing over of the keys of the Golden Temple to Kharak Singh's committee as the "first decisive battle won."
1, 2 and 3
All three are correctly matched.
Utilitarianism
Utilitarianism, a school of thought developed by philosophers like Jeremy Bentham and John Stuart Mill, advocates for the principle of the "greatest happiness of the greatest number" as the guiding principle for public policy and ethical decision-making.