2. This is because since the days of the British the urban areas tend to dominate politics and to be better served by the Government. To balance this, the poorly serviced rural areas have to be given higher representation in the legislature.
3. This is not new. It is common practice in the United States the state of New Jersey with less than five million people gets the same number of Senate seats (two) as California with more than forty million people. In most democratic countries some leverage is given to constituencies which for a variety of reasons are less developed.