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By constructing different parameters which are able to give us theinformation about our universe during inflation,(specially at the start and theend of the inflationary universe) a brief idea of brane world inflation isgiven in this work. What will be the size of the universe at the end ofinflation,i.e.,how many times will it grow than today's size is been speculatedand analysed thereafter. Different kinds of fluids are taken to be the matterinside the brane. It is observed that in the case of highly positive pressuregrower gas like polytropic,the size of the universe at the end of inflation iscomparitively smaller. Whereas for negative pressure creators (like chaplygingas) this size is much bigger. Except thse two cases, inflation has beenstudied for barotropic fluid and linear redshift parametrization $\omega(z) =\omega_{0} + \omega_{1} z$ too. For them the size of the universe afterinflation is much more high. We also have seen that this size does not dependupon the potential energy at the end of the inflation. On the contrary, thereis a high impact of the initial potential energy upon the size of inflation.

How does Inflation Depend Upon the Nature of Fluids Filling Up the Universe in Brane World Scenario