hi i sat for exam of ril for chemical engg.
the first paper was of mat it consisted of 75 qst. related to aptitude. you should try to solve r.s.aggarwal for this as most of the question were on same pattern. like sun is related to sunlight, series qst,coding,you should b fast as it is assumed that those qualifying in this section are able to get good marks. practice as hard as you can.
the(50 qst) second part of paper was related to chemical engg.some were unusual qst.but all an all a good paper thorough reading of text is required as qst are sometimes from with in the lines of text.prepare ff,mt,ht,bio-tech .
interview was related to your fav subject .prepare one
Best of luck