"With every passing day, my health is deteriorating further and I think with this condition I am not doing justice to the chair," Bose wrote, requesting the executive committee members to accept the resignation with "immediate effect".
The letter is addressed to general secretary Anjan Mitra who also has health concerns and comes at a time when they, along with East Bengal, have virtually lost their 'battle' to be inducted into the lucrative Indian Super League for the upcoming season.
In such a scenario, the two premier fan-based clubs of India are all set to compete in the I-League which will run alongside ISL but with lesser prominence, reducing it to a virtually second division tournament.