hi sir, my company is given termination letter...

The UAE Labor Law has given the employer the right to terminate the work contract without notifying the employee or paying remuneration during the probation period.
Knowing that, the probation period must not be more than six months.
If the first six months pass, and the employer and he / she ends the work contract with you. Then, you can file a complaint against the employer.
The complaint can be filed at the Ministry of Resources for Humanity and Emiratisation in order to obtain compensation for the arbitrary dismissal, which is of a maximum salary of three months.
The UAE Labor Law, related to your inquiry:
Article 123
1. Where a worker is arbitrarily dismissed, the competent court may order the employer to pay him a compensation, to be assessed by the court with due regard to the nature of the work, the extent of damage sustained by the worker and his period of service, and after investigating the work circumstances, provided that such compensation shall in no case exceed the worker's wage for three months, calculated on the basis of his last wage.
2. The provisions of the preceding paragraph shall not prejudice the worker's right to the gratuity he is entitled to and the compensation in lieu of notice provided for in this law.