BSNL — Without my knowledge they activate hungama service

Address:

620001

Sir they activated without my knowledge my phone number is : [protected], in deactivate method they give this num : [protected] i cal that they told temporarily disconnected, then how can cancel this at the same time i call 1500 for bsnl customer care and i spoke him they told sir there is no way only u cal that number ([protected]) then how can i cancel sir ido no pls take Action