BITSAT 2026 Slot Booking: 'Invalid Credentials' Error, Fix Guide
2 minute read
• Updated on 31 Mar, 2026, 4:05 PM, by Arman Kumar
BITSAT 2026 slot booking is open till 31 March, but candidates are facing login errors. The ‘Invalid Credentials’ issue is mainly due to heavy traffic on the website. Students can resolve it using simple steps like retrying login or switching browsers.
BITSAT 2026 slot booking is currently underway, but several candidates have reported facing an “Invalid Credentials” error while logging in. The issue has emerged as many students attempt to book their exam slots simultaneously. The booking window remains open till 31 March 2026.
BITSAT 2026 Slot Booking Deadline and Key Details
The slot booking process is a crucial step for candidates appearing in the engineering entrance exam. It allows students to choose their preferred exam date and time. Key details related to slot booking are given below:
- Last Date for Slot Booking: 31 March 2026
- Mode: Online
- Login Credentials Required: Application number and password
- Process Type: First-come, first-served
Candidates are advised to complete slot booking early to secure their preferred exam schedule.
Why ‘Invalid Credentials’ Error Occur in BITSAT Login?
Many candidates have reported login issues during peak hours of slot booking. The primary reason behind the “Invalid Credentials” error is technical congestion. Important reasons include:
- Heavy traffic on the official portal due to simultaneous logins
- Temporary server or system glitches
- Incorrect or mistyped login details
Due to high demand, the system may fail to process login requests properly, leading to this error.
What to Do If ‘Invalid Credentials’ Error Appears?
Candidates facing login issues can follow simple troubleshooting steps to resolve the problem. These methods are commonly effective and recommended during such situations. Before attempting slot booking again, candidates should try the following:
- Refresh the page and re-enter login details
- Use a different browser or device
- Wait for some time and try logging in again
- Ensure correct application number and password
In most cases, the issue gets resolved automatically after some time once the server load reduces.
Important Advice for BITSAT 2026 Candidates
Candidates are advised not to panic if they encounter login errors during slot booking. Since the process is time-sensitive, early action is important. Key suggestions include:
- Avoid waiting till the last day to book slots
- Keep login credentials ready and verified
- Try accessing the portal during non-peak hours
If the issue persists, candidates can contact the official helpdesk for assistance through the admission portal.
What Happens If BITSAT Slot Booking Is Missed?
Slot booking is mandatory for candidates appearing in the exam. Missing the deadline may lead to automatic allotment. Important points include:
- System will assign exam date and time automatically
- Preferred slot selection will not be available
- Admit card will reflect system-allotted schedule
Candidates should therefore complete the process within the given timeline to avoid inconvenience.
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