Chahal Academy in Delhi is considered a good choice for UPSC Civil Services Examination (CSE) preparation by many aspirants. Here are several reasons why Chahal Academy might be a good option for you:

1. Experienced Faculty: The academy has a team of experienced and knowledgeable faculty members who are well-versed in the UPSC syllabus and exam pattern. Their expertise helps in providing quality education and guidance to students.
2. Comprehensive Study Material: Chahal Academy offers well-structured and comprehensive study material that covers all the subjects and topics required for the IAS exam. The material is designed to be thorough and up-to-date with current trends.
3. Regular Test Series: They provide regular test series that simulate the actual UPSC exam environment. These tests help students in self-assessment, improving their time management skills, and understanding the types of questions that can be asked in the exam.
4. Personalized Attention: The academy focuses on providing personalized attention to each student, ensuring that their individual doubts and queries are addressed. This personalized approach can be very beneficial for effective learning.
5. Current Affairs Focus: Chahal Academy places significant emphasis on current affairs, which is a crucial part of the UPSC exam. They offer regular updates, classes, and materials dedicated to current events and their relevance to the UPSC syllabus.
6. Successful Track Record: The academy has a history of producing successful candidates who have cleared the UPSC exam, indicating the effectiveness of their teaching methods and resources.
7. Affordable Fees: Compared to some other well-known institutes, Chahal Academy is known for offering quality coaching at relatively affordable fees, making it accessible to a broader range of students.
8. Additional Resources: Besides regular classes and study material, Chahal Academy often provides additional resources such as guest lectures, workshops, and doubt-clearing sessions which can enhance the learning experience.

In conclusion, Chahal Academy in Delhi offers a comprehensive and supportive environment for UPSC CSE preparation. However, it's always a good idea to visit the institute, interact with faculty and current students, and perhaps attend a demo class to ensure it meets your specific needs and learning style.