Section 29A(2) in The Banking Regulation Act, 1949
(2)Notwithstanding anything to the contrary contained in the Companies Act, 1956, the Reserve Bank may, at any time, cause an inspection to be made of I of 1956. any associate enterprise of a banking company and its books of account jointly by one or more of its officers or employees or other persons along with the Board or authority regulating such associate enterprise.