The fee structure for a B.Sc. in Aviation varies across different institutions in India. On average, students can expect to pay between INR 1 lakh to 4 lakh per year. Factors such as the institution's reputation, facilities provided, and location may influence the total cost. Additional expenses like examination fees, training charges, and other miscellaneous costs may also apply. It is essential for students to review the fee breakdown and consider financial aid options if necessary.