Cannot serve notice period due to marriage plans

I am working for a IT company. I have resigned currently. the notice period is 3 months. but due to marriage plans i wont be able to serve the notice period. currently i am not into any project. am on bench. theres no work dependency. but HR is not ready to release me. she is not approving me for pay back option as well. I have pasted the policy below. Can you guide me with this. Is the policy baised towards the employer Policy Details Notice Period The period of probation in respect of all employees shall be 1 year (unless specifically communicated). ?The notice period applicable to all bands of employees will be 3 months (90 days) ?Your employment with the Company can also be terminated either by the Company or by you by giving the other party three months advance notice. If the Company terminates the employment and decides to relieve you before the completion of the notice period, the ”Basic? component of the salary for the balance notice period would be paid to you. If at your request, the Company agrees to relieve you before serving the full notice period, you will be liable to pay the Company the „Basic? component of the salary for the balance notice period. However, please note that accepting any such early relieving request would be entirely at the discretion of the Company. ?Waiver of notice period in lieu of notice period upon resignation shall need to be authorized by respective HR BP for employees in E0- E3,LOB HR for employees in E4 - E6. However, there will not be any waiver in notice pay under any circumstances. Also, the company reserves the right not to accept notice pay in lieu of notice period.