Section 4. Courts not to recognize untouchability

4. No court or other authority shall in any suit or proceedings, whether pending at the commencement of this Act or instituted susequently take notice of or otherwise recognize any custom usage or practice as is referred in clause (b) of section 3, and subject to the provisions of section 6, every such suit or proceeding shall be decided as if the custom, usage or practice had not been in existence at any material date.