What rank should I achieve in JEE Advanced, if I want to get into IIT Bombay for Mechanical Engineering?

In general, an aliphatic compound (sometimes referred to as an alkane) is primarily characterized by the fact that all of the carbon-carbon bonds that make up the skeleton of the molecule are single bonds. That means no double or triple carbon-carbon bonds of any kind are allowed.EG. HEXANE PENTANE ETC. An aromatic organic compound is characterized by the fact that they contain both a ring structure and a network of alternating double-single-double-single bonds all around the ring. The most common example of an aromatic compound is BENZENE m.

I`m really sorry my friend . I was mistaken of the question.