IBPS RRB Exam 2016 is conducted in two tiers comprising Preliminary Exam and Mains Exam. The Preliminary Exam is just the entry gate for the recruitment. The scores obtained by the candidates in IBPS RRB Prelims will not be calculated for the final selection. The online examination will be held in two phases – Preliminary and Mains Exam. The candidates who will obtain qualifying marks in Prelims Exam will be eligible to appear for IBPS RRB Mains Exam to be held in December. The aspirants who have applied for Office Assistant Posts will directly get allotment in the bank after Mains Exam but those who have applied for Officer Scale have to appear fo Common Interview Process to be conducted by IBPS as per schedule mentioned below.