Cantabil — Partiality and misbehave with customer

Address:

Address:- No 80, 90, Madhyam Marg, opposite Mansarovar Plaza, Kiran Path, Mansarovar Sector 4, Mansarovar, Jaipur, Rajasthan 302020

Today I visited cantabil store. I select my pent and shirt then they asked money for alterations and I am ok with that. but on other hand he didn't charge a single penny for his friend alter. This partiality with costumer is not good. please take any legal action as soon as possible.