Section 67(a) in The Transfer Of Property Act, 1882
(a)to authorise any mortgagee other than a mortgagee by conditional sale or a mortgagee under an anomalous mortgage by the terms of which he is entitled to foreclose, to institute a suit for foreclosure, or an usufructuary mortgagee as such or a mortgagee by conditional sale as such to institute a suit for sale; or