"Pehle ye batao Sachin ki naam ki spelling galat kisne likhi? (First answer this: who wrote Sachin's spelling wrong?)," Dhoni said on entering the media centre at the Eden.
CAB treasurer Biswarup Dey said: "It is not the skipper's job to see to this. The error is the responsibility of the agency that was handling the banners. We have issued a show-cause notice to the agency. And the banner will be changed."
With all eyes on the Test, CAB will have a tough time steering clear of controversies that could tarnish its image.
The two-Test series against the West Indies will bring down the curtains on Tendulkar's illustrious 24-year-long career. The cricketer will be playing his 199th Test in Kolkata and his 200th and last match at the Wankhede Stadium in Mumbai November 14-18.