He is affiliated with the Chennai Super Kings team, but gained recognition through his role as A. R. Rahman's lead percussionist.

[3] Sivamani's earliest experiments with music were with Carnatic maestros including Kunnakudi Vaidyanathan, T. V. Gopalakrishnan, Valliyapatti Subramaniam and Pazhanivel, and L. Shankar.

He has also been a part of a musical group called Shraddha which comprises Shankar Mahadevan, Hariharan, U. Srinivas and Loy Mendonsa.

[6] Sivamani has a band called "Asia Electrik" with Niladri Kumar, Louiz Banks and Ravi Chari.

Sivamani has played drums for many film score composers hailing from Tamil Nadu.

[4] He has played drums for many Indian films including Roja, Rang De Basanti,Swades, Taal, Lagaan, Dil Se.., Guru,Kabul Express and Rockstar .

[15] In 2009, Sivamani was conferred upon with the title of Kalaimamani by the Government of Tamil Nadu, which is the highest State Honour in the field of arts.

Sivamani received honorary doctorate from United Technological Research University of America on 20 January 2024 in Hyderabad.