1. Population: The city must have a population of over 1 million (10 lakh) according to the latest census.
2. Density: The city must have a population density of over 4000 people per square kilometer.
3. Infrastructure: The city must have a well-developed infrastructure, including transportation, water supply, electricity, and sanitation.
4. Economic Activities: The city must be a major center for economic activities, including commerce, industry, and trade.
5. Cultural and Educational Facilities: The city must have a range of cultural and educational facilities, including museums, libraries, universities, and colleges.
6. Administrative Headquarters: The city must be the administrative headquarters of a district or state.
7. Planning Area: The city must have a contiguous planning area of at least 100 square kilometers.