The rates are defined based on the types of cars and motorcycles, classification of the vehicles are as per the below table:

Compact ASuzuki Swift, Tata Indica, Hyundai I20, Fiat Punto etc.
Compact BFord Fiesta, Hyundai Verna, Honda City, Hyundai Xcent, Honda Amaze, Honda Mobilio, Skoda Rapid, Suzuki Ciaz, Toyota Etios, Tata Manza, Suzuki Dezire, Suzuki SX4, Fiat Linea, Renault Duster, Ford EcoSport etc.
Large Sedan / SUV/MPVChevrolet Cruze, Honda Civic, Toyota Camry, Skoda Octavia, Skoda Superb, Honda Accord, Honda CRV, Hyundai Elantra, Mahindra Scorpio, Mahindra XUV 5OO, Tata Safari, Volkswagen Passat
BMW 3/5/7 Series, Merc C/E/S Class, Audi A4/A8/A8, BMW X1/X3/X5, Audi Q3/Q4/Q5/Q/7, Cayenne etc.
Premium Sedan / SUV BMW 5/7 Series, Merc E/S Class, Audi A6/A8, BMW X3/ X5, Merc ML/GL Audi Q5, Q7, Cayenne etc.