Whther any individual (who is not an advocate) can contest the case on the behalf of petitioner/defendant?

Please post it under new topic as this will not attract the attention of viewers

In my opinion it may be apllicable with in the territorial limits of the region.Like in Delhi there is Delhi Rent Act-1958 which was ammended in year 1995

yes,but with the permission of court. my friend told me that a person emplyee of punjab state electercty board cntsting his case in amritsar dirstt court. nd he hve  been won three case before this.