Idbi Bank Ltd branches in Dehradun: Get the list of Idbi Bank Ltd MICR codes in Dehradun which are made available by Branch. Dehradun MICR code is a character-recognition technology used mainly by the banking industry to ease the processing and clearance of cheques and other documents. Dehradun MICR code has 9 digits first three digits are Dehradun City Code, second three digits are Dehradun bank code and last three are Dehradun branch code.