Know what are ICC's regulations and why it asked Dhoni to remove dagger badge from his gloves 

Badge on Mahendra Singh Dhoni's glove cant be termed as ParaSF badge wich is always in maroon colour & has 'Balidaan' engraved. 
ICC "requested the BCCI" to ask Dhoni to remove the sign from the gloves, citing rules which forbid display of messages "which relate to political, religious or racial activities or causes."
Dhoni is an Honorary Lieutenant Colonel in the Parachute Regiment of the Territorial Army and dagger is part of their emblem.