Chameleon) is a 2011 Indian Telugu-language action thriller film directed by Surender Reddy and produced by B. V. S. N. Prasad under Sri Venkateswara Cine Chitra.

It stars N. T. Rama Rao Jr, Tamannaah Bhatia, Prakash Raj, Vidyut Jammwal, Tanikella Bharani, Adhvik Mahajan, Murali Sharma, Payal Ghosh, and Rahman.

The score and soundtrack for the film were composed by Devi Sri Prasad, whilst the cinematography was handled by Rasool Ellore and editing by Gautham Raju.

He kills Irfan, Rakesh and his father, thus making him a target of Ajju Bhai's gang and the Hyderabad police.

He reveals that his father was a gangster in Mumbai, where on his deathbed, he asked Tony to reform from their old ways and do something good, which people will remember long after their deaths.

The films ends with Tony stating that he will always love and protect her, threatening to kill those who try to bring her harm.

K. Raghavendra Rao graced the audio function, unveiling both the CDs and 2 GB memory cards.

Other prominent guests in the function were D. Suresh Babu, Boyapati Srinu, Kodali Nani, Nallamalupu Bujji, Vallabhaneni Vamsi Mohan, B. V. S. N. Prasad, Dil Raju, Vamshi Paidipally, Surender Reddy, N. T. Rama Rao Jr, Tamannaah Bhatia, Ganesh Babu, K. L. Narayana, Devi Sri Prasad, Allu Sirish, Lakshman, Gangaraju Gunnam, Ramajogayya Sastry, Anantha Sriram, B. Bapineedu, Gautam Raju, K. S. Rama Rao, K. Atchi Reddy, Suresh Reddy, Koratala Siva, Rasool Yellora, Vakkantham Vamsi and others.

The audio launch event took place at Shilpakala Vedika and was broadcast live on MAA TV.

In the Nizam area of Andhra Pradesh, 200 theatres, including 76 in Hyderabad, screened the film.

[13] The Blu-ray was Released on 1 February 2012 with a Purchase price of $14.99 in NTSC Video Format and DTS HD Master, 5.1 Surround Sound.

A critic from The Times of India, which gave a two star, said "screenplay falls short, especially in the second half of the film.

[15] A critic from CNN-IBN gave a negative review commenting "Oosaravelli fails to live up to the expectations, and one can blame a weak script for this debacle.

The movie is a disappointment for ardent NTR fans but for average viewers it is nothing more than a predictable hotchpotch film".

[16] A critic from Rediff.com gave a two and half stars explaining "Oosaravelli is a routine revenge drama.

Instead of making a regular vigilante movie, director Surender Reddy blends romance with humour to lessen the gory part of this entertainer, but once the “secret” behind the killings is revealed, the film loses its sheen".