New Delhi, the capital and the third largest city of India is a fusion of the ancient and the modern. Standing along the West End of Gangetic Plain, the capital city, Delhi, unwinds a picture rich with culture, architecture and human diversity, deep in history, monuments, museums, galleries, gardens and exotic shows. Comprising of two contrasting yet harmonious parts, the Old Delhi and New Delhi, the city is a travel hub of Northern India.
Narrating the city's Mughal past, Old Delhi, takes you through the labyrinthine streets passing through formidable mosques, monuments and forts. You will also discover lively and colorful bazaars that boast to cater all sorts of good and items at mind-blowing prices amidst a barely controlled chaotic ambience. The imperial city of New Delhi displays the finely curved architecture of British Raj. 
It generates a mesmerizing charm reflecting well-composed and spacious streets under the shade of beautifully lined avenues of trees and tall and imposing government buildings.
New Delhi has expanded and now encompasses residential and commercial development to the west and south, plus the satellite towns of Noida, Gurgaon and Faridabad.
Delhi has overtaken Mumbai & Kolkata in recent years to become the most vibrant creative art center in India. The city has more than twenty five galleries. Conducted tours, seminars, film shows and study classes on art appreciation, history and conservation are frequently organized. Most of the performing art centers are around Mandi House and Bhagwan Das Road.
There is an amazing range of activity from cultural walks, talks, theatre productions and art exhibitions to films by Indian and foreign directors. One can find an option at the Habitat World at Lodhi Road as well as Siri Fort at Khel Gaon.
Pop : 175 lakhs approx. Metro, with a mix of people from different states and nationalisties.
Major Languages : English, Hindi, Urdu, Punjabi.
Climate : Winter: Dec to Feb, Spring: March to mid-April, Summer: April end to August ( some showers in July and Aug), Autumn: Sept to Nov. Summer temp goes up to 46 degree celsius, its down to 3 degree celsius in peak winter. Woolens advisable for Indians.
(source- delhitourism.nic.in )
AROUND DELHI
The capital of India is the most convenient centre for visiting the Tajmahal in Agra, the Pink city of Jaipur, the famous shrine of Ajmer Sharif and. the sanctuaries and national parks- Jim Corbet Tiger reserve ( Near Haldwani), Bharatpur bird sanctuary (near Agra, Ranthambhore and Sariska tiger reserves ( Rajasthan). Most of these places can be reached in 5 hours time from Delhi..
Delhi is also the gateway to the vast range of hills of North India and its famous stations- Shimla, Kullu Manali, Mussorie, Ranikhet, Nainital, Lansdowne, Dalhousie, Auli and several others. The journeys to the Chardham including Kedarnath, Badrinath, Gangorti and Yamunotri also begin at Delhi.