There are no specific guidelines provided by the State Bank of India (SBI) for time allocation in the SBI PO Prelims and Mains exams. However, candidates can follow some general strategies to effectively manage their time and maximize their performance in each section. It is important to note that time allocation may vary for each individual depending on their strengths and weaknesses. Here are some recommended time allocation strategies for each section:

I. SBI PO Prelims Exam:
The SBI PO Prelims exam consists of three sections: English Language, Quantitative Aptitude, and Reasoning Ability. Candidates are usually given 20 minutes to complete each section. Here is a suggested time allocation for each section:

1. English Language:
- Reading Comprehension: 8-10 minutes
- Cloze Test: 4-5 minutes
- Error Spotting: 2-3 minutes
- Sentence Improvement: 2-3 minutes

2. Quantitative Aptitude:
- Simplification/Approximation: 5-6 minutes
- Data Interpretation: 8-10 minutes
- Number Series: 3-4 minutes
- Quadratic Equations: 2-3 minutes

3. Reasoning Ability:
- Puzzle/Seating Arrangement: 10-12 minutes
- Syllogism: 3-4 minutes
- Inequality: 2-3 minutes
- Blood Relations/Direction Sense: 2-3 minutes

II. SBI PO Mains Exam:
The SBI PO Mains exam consists of four sections: Reasoning & Computer Aptitude, Data Analysis & Interpretation, General/Economy/Banking Awareness, and English Language. Candidates are usually given 60 minutes to complete each section. Here is a suggested time allocation for each section:

1. Reasoning & Computer Aptitude:
- Puzzle/Seating Arrangement: 25-30 minutes
- Syllogism: 4-5 minutes
- Input-Output: 5-6 minutes
- Coding-Decoding: 4-5 minutes
- Computer Aptitude: 10-12 minutes

2. Data Analysis & Interpretation:
- Data Interpretation: 30-35 minutes
- Data Sufficiency/Quadratic Equations: 10-12 minutes
- Number Series: 3-4 minutes

3. General/Economy/Banking Awareness:
- Current Affairs: 20-25 minutes
- Banking/Financial Awareness: 15-20 minutes

4. English Language:
- Reading Comprehension: 10-12 minutes
- Cloze Test: 6-8 minutes
- Error Spotting: 5-6 minutes
- Sentence Improvement: 4-5 minutes

It is important for candidates to practice time management during their preparation by attempting mock tests and analyzing their performance. This will help them identify areas where they need to allocate more time and areas where they can save time. However, it is crucial to maintain accuracy while attempting questions, as a wrong answer can lead to negative marking.