is there any fee for porting jio to bsnl- they charged 249rs from me for porting

i think the bsnl customer service center in Vattiyoorkavu scammed me they took 249rs from me for porting jio to bsnl and when i checked on their website they are saying there's no fee for porting. is there anyone who is expertise in this field. Edit: the issue has been resolved, ill just put this here incase anybody needs.