1) For strike-off, company have to extinguish all liabilities. The above approach is fine subject to the terms and conditions of the loan agreement if any
2) It depends on the loan utilization amount (i.e. for purchase of capital asset or trading liability). B/f business losses can be set-off against income if any
3) Yes but at the time of filing of ITR, bank account would be required. Bank account would also be needed for any refund of income tax
4) Utilize for payment of expenses
5) Depends on individual items in the balance sheet
For detailed discussion you may opt for phone consultation