Whether or not in a particular transaction there is clog on the equity of redemption, depends primarily upon the period of redemption, the circumstances under which the mortgage was created, the economic and financial position of the mortgagor, and his PG NO 849 relationship vis a vis him and the mortgagee, the economic and social conditions in a particular country at a particular point of time, custom, if any, prevalent in the community or the society in which the transaction takes place, and the totality of the circumstances under which a mortgage is created, namely, circumstances of the parties, the time, the situation, the clauses for redemption either for payment of interest or any other sum, the obligations of the mortgagee to construct or repair or maintain the mortgaged property in cases of usufructuary mortgage to manage as a matter of prudent management, these factors must be co related to each other and viewed in a comprehensive conspectus in the background of the facts and the circumstances of each case, to determine whether these are clogs on equity of redemption.