'Bha' - Bhavam (means expression), 'Ra' - Ragam (means music), 'Ta - Talam (means beat or rhythm) and Natyam (means dance) in Tamil.
A possible origin of the name is from Bharata Muni, who wrote the Natya Shastra to which Bharathanatyam owes many of its ideas. This etymology also holds up to scrutiny better since Bharathanatyam is pronounced with short (kuril) forms of "bha", "ra" and "tha" whereas each of "bhavam", "ragam" and "talam" contain the long (nedil) forms.
Bharatnatyam proper is a solo dance, with two aspects, lasya, the graceful feminine lines and movements, and tandava Ananda Thandavam (Tamil) (the dance of Shiva), masculine aspect, which is identical to the Yin and Yang in the Chinese culture
At present, Bharatnatyam recitals are usually not performed inside the temple shrine but outside it, and even outside the temple compounds at various festivals. Most contemporary performances are given on the stage with a live ensemble. In popular culture, the adapted, or "semi-classical", Bharatnatyam has been exposed largely through depiction in popular movies and TV programs.
Learning Bharatnatyam normally takes many years before the arangetram (debut). There are academic and commercialized dance institutes in many countries. Many people choose to learn Carnatic music along with Bharatanatyam as they go together.
At present, not only the Hindus but many Christians and Muslims learn it, bringing it beyond the rigid forms of religious