They said after the licence was made mandatory, they are being denied licence even though they fulfill all safety guidelines.
The petition in likely to come up for hearing tomorrow. Kumar said they had earlier approached the high court in 2010.
The court had then directed MCD to consider their request, following which they were given no-objection certificate from MCD and also the fire department to sell crackers from the makeshift shop.
However, Delhi Police had denied permission even when they had fulfilled all the safety guidelines issued by it.