Who is Ahmed Sinai?

The father of Saleem Sinai, Ahmed Sinai married Mumtaz Aziz after her first husband left her, and he encouraged her to change her name to Amina. Over the years, his fortune goes up and down: he is a wealthy merchant, then is ruined by a fire, then has insurance money to invest, then his holdings are frozen by the government, then they are unfrozen. In the end, he operates a successful towel manufacturing plant in Pakistan. He dies when India invades Pakistan in 1965.