Interest free banking system was introduced in Pakistan by ______?

Interest free banking system was introduced in Pakistan by ______?

سود سے پاک بینکنگ سسٹم پاکستان میں ______ کے ذریعہ متعارف کرایا گیا تھا؟
Explanation

1st Jan 1981 interest-Free Banking was introduced in Pakistan first time.

From July 1, 1985, all commercial banking in Pak Rupees was made interest-free. 

In 1985 the President of Pakistan Mohammad Zia-ul-Haq introduced an interest-free banking system in Pakistan

Meezan Bank is interest-free in Pakistan.