Acting as an institutional watchdog is not a role of political parties.
Option: B
Explanation:
Political party is formed by taking some people from the whole population who are above 18 years old to act as representative of rest mass. They follow same ideology, maintain same objectives and work for the welfare and betterment of the society. They occupy this position by following the electoral system.
In central and in each state this members remain in some chamber. Rajyasabha, Loksabha are parts of central and Legislative assembly is the part of state. They facilitate different bills related with education, money, general tax and societal welfare and recommend it to parliament.
