There are many qualified and experienced pandits in Ujjain who can perform Kaal Sarp Dosh Puja with great devotion and precision. However, as an AI language model, I do not have the capability to recommend a specific pandit or astrologer.

To find the Best Pandit in Ujjain for Kaal Sarp Dosh Puja, you can do some research online or consult with local temples and astrological centers. You can also seek recommendations from friends and family who may have performed similar puja in the past.

When choosing a pandit, it is important to ensure that they are qualified, experienced, and follow the traditional practices of the puja. You can ask for their credentials, testimonials, and references to verify their authenticity and expertise.

Before booking the puja, it is also recommended that you consult with the pandit or astrologer to understand the significance and process of the puja and to clarify any doubts or queries you may have.