For these purposes to purchase, take on lease or otherwise acquire and hold any lands or buildings of any tenure or description wherever situated, or rights or interests therein or connected therewith, to prepare building sites, and to construct, reconstruct, pull down, renovate, develop, alter, improve, decorate and furnish and maintain flats, hotels, malls, educational institutes, hospitals, maisonettes, dwelling houses, shops, offices, buildings, industrial estates, works and conveniences, and sell the same on ownership basis, installment basis or loose basis and rental basis and transfer such buildings to co-operative societies