It seems I'm currently unable to fetch real-time information regarding the top architecture and planning colleges in Kolkata due to a technical issue. However, Kolkata, being a city with a rich cultural heritage and historical significance, is home to several prestigious institutions offering courses in architecture and planning. These colleges are known for their comprehensive curriculum, state-of-the-art facilities, and a strong emphasis on both theoretical knowledge and practical skills.

Colleges in Kolkata typically offer undergraduate (B.Arch) and postgraduate (M.Arch) programs in architecture, which are approved by the Council of Architecture (COA). These programs are designed to provide students with a deep understanding of architectural design, urban and rural planning, environmental sustainability, and the historical context of architecture.

Students in these programs can expect to engage in a variety of learning experiences, including studio projects, workshops, seminars, and internships, which are aimed at enhancing their design capabilities, technical skills, and professional practice. Moreover, these institutions often have collaborations with leading architectural firms and organizations, providing students with valuable exposure to the industry and opportunities for professional growth.

For those interested in pursuing a career in architecture and planning in Kolkata, it's advisable to research specific colleges for detailed information on their programs, faculty, facilities, and admission criteria. Key factors to consider include the college's accreditation, faculty expertise, infrastructure, placement records, and the opportunities for practical training and research.