ITR3 online utility: Part B TTI is populating field for rebate u/s 87A incorrectly

Hello Professional Colleagues, anyone facing problems with ITR3 New Regime? 

In the ITR3 AY 2026-27 online utility of the Income Tax Department, Part V -TTI is populating the "tax on slab income" into the field for "rebate u/s 87A, resulting in an incorrect tax liability. Validation passes without error. 

Cache has been cleared; browser history has been cleared. The issue persists.

Any pointers?

Regards,

S. Gupta Junak, FCA