State Bank Of India [SBI] — credit card settlement issue

I am getting continuous call from mr. Shashi (Legal-sbi cards) regarding payment outstanding follow up. He said a fixed amount almost 1.23 lacs which i feel not relevant. When i was asking him to send me latest statement, he start shouting and using really abusive languages which should not use to anyone i believe (He said tuhara baap aake dedega). I am ready pay the amount but if any statement discrepancies they should provide.
Kindly guide me what i can do against mr. Shashi legally and whom should i approach for statement and settlement.
Hanees