No, you don't need to visit ARC again. Because you have already paid the seat acceptance fees and verified your document at ARC.

If you don't want to participate in the next round you want to get conform you seat which you had get
Than you have to visit the college where you have alloted with all the documents and pay the fees overthere by the DD/payorder.

If you still want to try for the betterment in the next round than you don't need to visit anywhere.
You can participate in future round.

Hello aspirant, you have both options open for dealing with your situation. You should definitely visit your college admissions cell to know if you can still change your seat or wait for another around. You will be eligible only if you pay the fees of third round also. All th very best to you