Subsistence allowance

Whichever is beneficial is applicable to the workmen. More than, beneficial, Certfied standing orders are binding on both parties as they were certified after both parties (worker & Mgt) mutually agreed before the certifying officer. Therefore, wherever an establishment is having Certied SOs, they are applicable.

If you want to make a amendment, you can apply for amendment as per the Act. But tull the amendment is certified, existing Certfied Standing orders are applicable.

If there is a certified standing order, the provisions of the certified standing order shall be applicable. 

The provisions of subsistence allowance in Certified Standing Order is greater than the statute, the  provisions of CSO is applicable.

Provisions of Certified Standing Orders will have to be abided. The laws make the minimum compulsory, but also provide that more beneficial provisions made by any establishment would be permissible.