Sri Lankan left-arm pacer Thilan Thushara was on Tuesday ruled out of the ongoing Test series against India due to a shoulder injury and will be replaced by Dilhara Fernando in the visitors' 15-member squad.

Thushara has been declared unfit for around four weeks and would be sent home to undergo treatment.

"Thilan Thushara, will return back to Sri Lanka due to a shoulder injury, and as such he will not be match fit for approximately 2 to 4 weeks," Sri Lankan Cricket said in a statement on Tuesday.

"Thilan will be sent back and Dilhara Fernando will replace him," it added.

Sri Lanka is currently playing the first Test of three-match series at the Sardar Patel Stadium here. Thushara was not included in the playing XI for the ongoing match.