Expenses during outstation audit borne by student.!

you have to give the bills supporting your expenses to the employer

Normally there are two ways., 

if all the expenses relating to audit the auditing company will arrange entire thing travelling , lodging etc.,

and second is the audit firm will give advance to staff.,  the audit firm recover the money from audit company at the time of settlement or as per the terms and conditions which is mentioned the contract

But, not yet recovered the said amount the employer saying that there is no any responsibility of employer to bear the expenses during outstation audit.

Is there any provision to recover the money if they are not giving.

that is the mutual agreement between the Auditor and Co., Normally the company will bear the all the expenses. 

Mostly agreement between auditor and the company only made for travelling expenses from origin to destination and for accomodation if they are not providing accomodation facility at its own .

there is no provision to claim any expenditure from the company other than the above mentioned.

Tell him that you wont go for any outstation audit if expenses are not reimbursed. And dont bear any expenses on behalf of firm, it will affect firm and automatically your employer will understand.

the responsibilty for reimbursement of expenses is the auditor ,its always better to take advance before spending from our pocket , generally there will rules regarding the amount of expenditure depending upon place and client  in the audit office 

All expenses related to Outstation Audit shall be reimbursed to article on submission of Supporting Bills. Almost all audit firms has contract with companies regarding reimbursement of Expenses. Expenses of Personal Nature are not reimbursable.