24 March 2010
Dear Sir, Thank you very much for your answar. As per your suggation i will contact my bank, but they give letter that indcate bank cannot receive back any payment form ROC. As per bank point of view firstly payment return back form ROC than credited to my A/c. ROC says that he received two payments from bank but at second time payment is marked as duplicate but bank cannot received any instruction regarding this.
24 March 2010
If two challans are not generated,you may contact the bank for reversing one payment and to credit the amount in your bank account because,I presume from the given facts,it happened due to system failure.