Section 19(2) in The Recovery Of Debts Due To Banks And Financial Institutions Act, 1993
(2)Where a bank or a financial institution, which has to recover its debt from any person, has filed an application to the Tribunal under sub-section (1) and against the same person another bank or financial institution also has a claim to recover its debt, then, the latter bank or financial institution may join the applicant bank or financial institution at any stage of the proceedings, before the final order is passed, by making an application to that Tribunal.