Narlikar, J. V.2012-03-282012-03-282006-04-24http://hdl.handle.net/11007/1655Reasons are given as to why the standard cosmology does not give an entirely satisfac- tory description of the universe and why one needs to look for alternative cosmology. An alternative cosmology is presented in which matter creation takes place in mini- creation events at regular intervals and in response the universe oscillates on short term period of ~ 50 Gyr while it also has a steady (exponential) long term expansion at a characteristic time scale of ~ 1000 Gyr. The explanation of the major observed features of the universe in terms of this cosmology is given and new observations distinguishing it from standard cosmology are proposed.enStandard ModelQuasi-Steady-StateTheory of GravityThermal-ization ProcessArticle