Bangalore also rendered Bengaluru, is the capital of the Indian state of Karnataka. Located on the Deccan Plateau in the south-eastern part of Karnataka, Bangalore is India's third most populous city and fifth-most populous urban agglomeration. Bangalore is well known as a hub for India's information technology sector. It is among the top 10 preferred entrepreneurial locations in the World. As a growing metropolitan city in a developing country, Bangalore confronts substantial pollution and other logistical and socio-economic problems. With a Gross domestic product of $83 billion, Bangalore is listed 4th among the top 15 cities contributing to India's overall GDP.
Bangalore is home to many well-recognized colleges and research institutions in India. Numerous public sector heavy industries, technology companies, aerospace, telecommunications, and defence organisations are located in the city. Bangalore is known as the Silicon Valley of India because of its position as the nation's leading IT exporter. A demographically diverse city, Bangalore is a major economic and cultural hub and the second fastest growing major metropolis in India. Bangalore has a handful of freshwater lakes and water tanks, the largest of which are Madivala tank, Hebbal lake, Ulsoor Lake and Sankey Tank.
In May 2012, Lonely Planet ranked Bangalore 3rd among the world's top 10 cities to visit. Bangalore is also a major center of Indian classical music and dance. Classical music and dance recitals are widely held throughout the year and particularly during the Ramanavami and Ganesha Chaturthi festivals. Bangalore is sometimes called as the "Pub Capital of India" and the "Rock/Metal capital of India" because of its underground music scene and it is one of the premier places to hold international rock concerts.
Bangalore experiences a tropical savanna climate with distinct wet and dry seasons. Due to its high elevation, Bangalore usually enjoys a more moderate climate throughout the year, although occasional heat waves can make things very uncomfortable in the summer. The coolest month is December with an average low temperature of 15.4°C and the hottest month is April with an average high temperature of 32.8°C.
Bangalore Karaga, one of the oldest and most important festivals in the heart of Bangalore. Bangalore is known as the Garden City of India because of its greenery and the presence of many public parks, including the Lal Bagh and Cubbon Park. The city celebrates its oldest festival, "Karaga Shaktyotsava" or Bangalore Karaga. Deepavali, the "Festival of Lights", transcends demographic and religious lines and is an important festival, along with the nine nights of Navratri. Other traditional Indian festivals such as Ganesh Chaturthi, Ugadi/Gudi Padwa, Sankranthi, Eid ul-Fitr, and Christmas are also celebrated.
Bangalore is home to the Kannada film industry, which churns out about 80 Kannada movies each year. The city has a vibrant English and foreign language theatre scene with places like Ranga Shankara and Chowdiah Memorial Hall leading the way in hosting performances leading to the establishment of the Amateur film industry. The diversity of cuisine is reflective of the social and economic diversity of Bangalore. Bangalore has a wide and varied mix of restaurant types and cuisines and Bangaloreans deem eating out as an intrinsic part of their culture. Roadside vendors, tea stalls, and South Indian, North Indian, Chinese and Western fast food are all very popular in the city. Udupi restaurants are very popular and serve predominantly vegetarian, regional cuisine.