Kolkata: Mohun Bagan today wrote a 255-page letter to football's world governing body FIFA, challenging the interim relief to India captain Bhaichung Bhutia.

The letter, addressed to FIFA General Secretary Jerome Valcke, detailed the reasons for Bhutia's showcause and the consequent six months' without-pay suspension from the Kolkata club, Mohun Bagan General Secretary Anjan Mitra said.

"We want FIFA to intervene into the matter. Bhutia has a valid contract with us for the ongoing 2009-10 season, yet he has signed for another club (East Bengal). Bhutia has violated clauses eight, 10 and 19 of the two-year contract. We demand justice from the FIFA," Mitra told PTI.

Bhutia earlier signed up for East Bengal after getting an interim relief from All India Football Federation-appointed arbitrator Amarendra Sharan on September 25.

Mohun Bagan has also forwarded the document to the Indian Football Association (IFA) and Bhutia.

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