oppose Mohd. Ahmed Khan v. Shah Bano Begum - This is just the case law & part of the act now.

You are right that Shah Bano judgment which led to this Act. Therefore I think this article (Mohd. Ahmed Khan v. Shah Bano Begum) may become the part of " The Muslim Women (Protection of Rights on Divorce) Act 1986. 

The Muslim Women (Protection of Rights on Divorce) Act 1986 is having broader criteria & Scope . Though the Mohd. Ahmed Khan v. Shah Bano Begum is just one of the case of great importance and become the part of thiS act now. so ...

Do You really think that an act become the part of case law ? or case law become the part of the act?   priyadarshivishal23