- The Leader of the Opposition is the politician who leads the official opposition in either House of the Parliament of India
- It is a statutory position
- It received statutory recognition through the Salary and Allowances of Leaders of Opposition in Parliament Act, 1977
- He is the Leader of the Party in Opposition to the Government having the greatest numerical strength and recognised, as such, by the Chairman of the Rajya Sabha or the Speaker of the Lok Sabha.
- Under the law, even if the party in opposition has a single member, he/she is entitled to be recognised