How many members were in the commission before the Sixty-fifth Amendment Act, 1990?
The question asks about the number of members in the commission before the Sixty-fifth Amendment Act, 1990. According to the context provided, the Sixty-fifth Amendment Act, 1990, changed the structure of the commission (substituting clauses (1) and (2)). However, it doesn't provide information about the number of members before this amendment was made. Therefore, we cannot answer how many members were in the commission before the Sixty-fifth Amendment Act, 1990 from the given context.