Indian Cities and Places

Top metro cities in India (like Delhi, Mumbai) have teledensity exceeding 100% because many people have multiple mobile connections (SIM cards). Teledensity is calculated as number of connections per 100 people, so when people have 2-3 SIMs each, the density exceeds 100%.

Mumbai has been the capital of Maharashtra since the state's formation in 1960. Pune was the capital during the Peshwa rule but is not the current state capital. Dadar is a region in Mumbai, and Nasik is a city but not the capital.

Hyderabad has been known as the 'City of Pearls' for centuries due to its historic pearl trading industry. The Qutb Shahi dynasty and Nizams patronized this trade, making it a global center for pearl processing and trading. Vijayawada (not Vijaywada) and Guntur are other major AP cities, while Tirupati is a temple town.

Hyderabad and Secunderabad are collectively known as the 'Twin Cities' because Secunderabad developed as a British cantonment adjacent to the historic Hyderabad city under the Nizam. Though now administratively merged, they retain this cultural identity. 'City of Nizams' and 'Pearl City' are alternative names for Hyderabad alone.

Calcutta (Kolkata) was the capital of British India until 1911, when King George V announced the capital would move to Delhi. New Delhi was inaugurated as the new capital in 1931. Mumbai was Bombay, a major commercial city but never the capital.

The Centre for DNA Fingerprinting and Diagnostics (CDFD) is located in Hyderabad. It is an autonomous institution under the Department of Biotechnology, Government of India, specializing in DNA fingerprinting and genetic research.

Fort William is located in Kolkata (formerly Calcutta), West Bengal. It was built during the British East India Company's rule and served as a key military fortification. The other cities (Chennai, Goa, Mysore) do not host this fort.

The proposed Jaitapur Nuclear Power Project is located in Madban village of the Ratnagiri district in Maharashtra, India. The other cities listed are incorrect.

Thiruvananthapuram (also known as Trivandrum) is the capital city of Kerala, a state in southern India. It houses the state government and legislative assembly.

Chennai is the capital city of Tamil Nadu and serves as the state's administrative, cultural, and economic center. Coimbatore, Trichy, and Madurai are major cities in Tamil Nadu but none serve as the state capital.

Bengaluru (formerly Bangalore) is the capital of Karnataka and is known as India's IT hub. Hubli, Belgaum, and Mangalore are important cities in Karnataka but not the state capital.

Hyderabad serves as the capital of Andhra Pradesh (for now, as per the Andhra Pradesh Reorganisation Act, 2014). Guntur, Vizag, and Vijayawada are important cities in AP but Hyderabad remains the capital. Amaravati is being developed as the new capital but the transition is not complete.

STD code 080 is assigned to Bengaluru (formerly Bangalore), the capital city of Karnataka state in southern India. Bengaluru is known as India's IT capital and is one of the major metropolitan cities with this 3-digit STD code.

STD code 044 belongs to Chennai (formerly Madras), the capital of Tamil Nadu and a major metropolitan city on the Coromandel Coast of southeastern India. Chennai is an important cultural and economic hub in South India.

STD code 033 is for Kolkata (formerly Calcutta), the capital of West Bengal and the cultural capital of eastern India. Kolkata is one of India's oldest major cities and was the capital of British India until 1911.