No you should not withdraw the petition. You may file the application before the Hon'ble Court restricting your challange to one claim only on the basis of the decision of the Apex Court. You can do the same at the stage of the final arguments on oral submissions also for the same and request the court to give the decision on one point only and other points of challange can be given up

You may restrict your prayer to 3rd issue only

I agree. you may given the remaining two issues.