India and the US both govt is known for the democratic system. The fundamental difference between the Indian Government and the U.S. Government is that India has a Parliamentary form of Government whereas, the U.S. Government has a Presidential form of Government.In Parliamentary form of Government, the Prime Minister shall be appointed as head of the Government, whereas, in case of Presidential form of Government, the President would be the head of Government.
•In the Indian govt system, the majority of the power is vested in the Prime Minister whereas, In
the case of the U.S., the President is the most powerful authority. Both the Indian Parliament and the US Congress are bicameral.
•US Congress is divided into two parties whereas, in Indian parliamentary, there is no limit for the party.
•US president's term is for 4 years whereas the Indian prime minister's term is for 5 years.
• In the US, the states can share power with the federal government and make independent decisions. India is the union of States. So, it is not fully independent to take a decision.
•US President is not dependent on the strength of his party in Congress. US president remains in power for the four years of his term unless he is impeached or incapacitated. In the Indian parliamentary, the government can lose the mandate if its majority fail to prove in the Lok Sabha in the event of a no-confidence motion. This result leads to the mid-term election.