Sir can you help me I had some gratuity pay roll...

It should be noted that after reviewing your inquiry and legal scrutiny we would like to inform you that enter according to Article (56). Workers who are hired at an annual or monthly wage are paid at least once a month and all other workers are paid at least once every two weeks.
Thus, if there is a violation in the employment contract, he may go to the Ministry of Labor and file a complaint and then leave the work according to Article 121:
A worker may leave work without notice in one of the following cases:
1- If the employer violates his obligations before the worker in the articles stipulated in the contract or the law.
2- If the employer or his legal representative signs an assault on the worker.
Then you can change the employer without NOC from the employer. Therefore, it is clear that the existence of the violation can be with him and as explained to go to the Labor Office and submit a complaint to the work of the branch and established in the UAE