What is the full form of MP

MP stands for Member of Parliament. MP is a representative of the voters to a parliament.

An MP is the member of the Lok Sabha or the Rajya Sabha. They work for the parliamentary constituency which they represent.

MPs of the Lok Sabha are elected directly during Lok Sabha elections. MPs of the Rajya Sabha are indirectly chosen by the MLAs.

Legislative responsibility: To pass Laws of India in the Lok Sabha.
Oversight responsibility: To ensure that the executive (i.e. government) performs its duties satisfactorily.
Representative responsibility: To represent the views and aspirations of the people of their constituency in the Parliament of India (Lok Sabha).
Power of the purse responsibility: To approve and oversee the revenues and expenditures proposed by the government.
The Union Council of Ministers, who are also members of parliament have an additional responsibility of the executive as compared to those who are not in the Council of Ministers.