[Resolved]  State Bank of India — do signature in religious language

Dear Sir/ Madam,
recently i have opened a saving a/c in name of my mother in sbi bank churcha c.g, branch code 6792 and its a/c no. is [protected].In a/c opening form she has done signature in urdu language,a/c is open and also got atm card but when the time of issuing cheque book bank employee Mr. prabhakar refuse to giving cheque book due signature in urdu language while in all legal works and also in central bank she use urdu signature.when i discuss upon this matter then he told me to change her signature then he give cheque.
Again again this person create hurdle in banking process, my mother do not want to change her signature and i know urdu language is third language which is more usable in india. so please give me direction or suggestion is urdu signature is usable or not by a customer.


Thank you