Vodafone — Sim change charges taken by vodafone store mini

I am using vodafone network from last 15 years. On 19th October 2020 i went to vodafone store mini near Bhaiyo ka Shivala, amritsar punjab to change my old sim to new one. Ms. Navjot who was handling customer there firstly told that change will cost 250 Rs, but after having argument with her she told me that it will cost minimum 50 Rs but i[censored] want it free of cost than you can go to vodafone store main store.

I have paid 50 Rs for sim change.

I am sure that sim change is not chargeable by vodafone but some mini store are charging for the same.

I request Vodafone management to look into matter and stop this kind of malpractices.