A. With two-third majority of both the houses of partiament.
B. With the simple majority vote in the twohouses of parliament
C. With two-third majority in the National Assembly and a simple majority of the Senate.
D. with the approval of Provincial Legislatures
Explanation
In its age of 21 years, the charter, that changed into adopted in April, 1973, has suffered 34 amendments; 10 times through the Acts of Parliament and 24 instances through Presidential Orders.