1. Preliminary Examination:
- The preliminary examination for IBPS RRB PO consists of two sections: Reasoning Ability and Numerical Ability.
- Each section has a time limit of 45 minutes.
- Candidates need to complete both sections within the allotted time.

2. Main Examination:
- The main examination for IBPS RRB PO consists of five sections: Reasoning, Computer Knowledge, General Awareness, English Language, and Hindi Language.
- Each section has a separate time limit.
- The Reasoning section has a time limit of 40 minutes.
- The Computer Knowledge and General Awareness sections have a combined time limit of 20 minutes.
- The English Language section has a time limit of 40 minutes.
- The Hindi Language section has a time limit of 40 minutes.
- Candidates need to complete each section within the allotted time.

3. Officer Scale I Interview:
- Candidates who qualify the main examination are called for the Officer Scale I Interview.
- The interview does not have a specific time limit, as it is conducted in a face-to-face manner.
- The interview is aimed at assessing the candidate's personality, communication skills, and suitability for the role of a Probationary Officer.

It is important for candidates to manage their time effectively during the exam to ensure they can attempt all the questions within the given time limits. Time management strategies such as prioritizing easier questions, practicing with mock tests, and maintaining a steady pace throughout the exam can help candidates optimize their performance.

In conclusion, while there is no overall sectional time limit for the IBPS RRB PO Exam, each section has its own time limit that candidates need to adhere to. By being aware of these time limits and implementing effective time management strategies, candidates can enhance their chances of success in the exam.