Separate GST registration in other State not needed for execution of contract in that state

In re M/s T & D Electricals (AAR karnataka) 1. Whether separate registration is required in Karnataka state? If yes, whether agreement would suffice as address proof since nothing else is with the assesse and service recipient will not provide any other proof? In the instant case, the applicant intends to supply goods or services or both from their principle place of business, which is located in Rajasthan. The applicant has only one principle place of business, for which registration has been obtained and does not have any other fixed establishment other than the principle place of busine...