Once after formations of company Preliminary Expenses adopted by the company vide proper resolutions,It's become parts and parcel of company accounts based on that You can Claim Input credit.You may have to face challenge by dept view.
The basic requirement of taking Cenvat credit as pe Rule 3(1) is that the person taking credit must be te provider of out services. Further it is stated that they must be used in providing the output services. The inference from the definition would be that there should be a direct nexus between Input services and output services. On the other hand in case of general services in would be advisable not to take credit for pre-operative expenses.
Whether unutilised Cenvat credit at the end of F.Y. can be carried forward and can be accounted for Cenvat Receivable and can be adjusted in the next F.Y. against Service Tax Payable.
Whether unutilised Cenvat credit at the end of F.Y. can be carried forward and can be accounted for Cenvat Receivable and can be adjusted in the next F.Y. against Service Tax Payable.