The mortgagee, chargee or covenant chargee upon default in payment of the principal sum or any part thereof, or of any interest, annuity, or rent-charge secured by any mortgage, charge or covenant charge may--
(a) enter into possession of the mortgaged or charged land by receiving the rents and profits therefor, or
(c) bring proceedings in the Supreme Court or the District Court for possession of the said land, either before or after entering into the receipt of the rents and profits thereof, and either before or after any sale of such land effected under the power of sale given or implied in the mortgage, charge or covenant charge,in the same manner in which the mortgagee, chargee or covenant chargee might have made such entry or brought such proceedings if the principal sum, interest, annuity, or rent-charge were secured to the mortgagee, chargee or covenant chargee by a conveyance of the legal estate in the land so mortgaged or charged.