I can provide you with some popular data structure courses in Bangalore that you can consider. It's always a good idea to research and read reviews before enrolling in any course to find the one that best suits your needs. Here are a few options:

1. Indian Institute of Science (IISc) Bangalore: 

IISc offers various courses in computer science and has a strong reputation for academic excellence. They offer a course on "Data Structures and Algorithms" as part of their computer science curriculum.

2. Indian Institute of Technology (IIT) Bangalore:

 IIT Bangalore is another prestigious institution that offers computer science courses. They have a course called "Design and Analysis of Algorithms" as part of their curriculum.

3. Tutort Academy: 

Tutort Academy offers courses on data structures and algorithms. We have a center in Bangalore and provide comprehensive training in programming and the latest technologies. We also provide DSA live classes.

4. Udemy: 

Udemy is an online learning platform that offers a wide range of courses, including data structures and algorithms. You can find highly rated courses on topics like "Master the Coding Interview: Data Structures + Algorithms" or "Data Structures and Algorithms: Deep Dive Using Java."

5. Coursera: 

Coursera is another online learning platform that partners with universities and organizations to offer courses. They have courses on data structures and algorithms from reputed institutions like Stanford University and Princeton University.

Conclusion 

Remember to check the course syllabus, instructor qualifications, student reviews, and pricing before making a decision. Additionally, consider your learning style and preferences, whether you prefer in-person instruction or online courses, and your budget while selecting the best course for you. I have found the best course to be from Tutort Academy as it fits all the criteria that I was looking for.