IBPS Clerk has two stages: prelims and mains, and there is no interview.
Prelims covers English Language, Numerical Ability and Reasoning Ability.
Mains adds General and Financial Awareness plus Computer Aptitude to those sections.
Prelims is only qualifying — the final merit is based on mains marks alone.
The detailed topic-wise syllabus is given in the official IBPS notification for the year.
Always confirm the latest pattern from the notification, since sections and marks can change.