need help on my accountant letter!

please seniors weather my accountant letter okey to proceed! please correct it if anything wrong
To whom it may concern
Mr.XXXXX date of birth XXXX pan no:XXXXXX residing at x place.

I confirm with regards to mr.x in respect of his total income from full time employement for the period and earnings from software development for the period are follows.

1. I can confirm that my client’s salary details are enclosed with this letter as per appendix=1
2. My client have entered an software development contract with x company and the details of earning from contract is enclosed in appendix 2.
3. His gross income for the period as follows
Gross salary from full time employement- xxx
Gross Receipts from software development-xxxx
4. His net earnings after deductions for the period
net salary from full time employement- xxx
Gross Receipts from software development-xxxx
5. I have enclosed herewith all supporting documents like payslips ,bankstatement,contract aggrement ,payment advise.
This certificate is issued based on the supporting documents produced for verification.

Appendix-2
Earnings from software development contract
Contract details
Date of contract: 2-07-2010
Nature of contract: Developing a web based software for inventory
Contract with: master
Gross amount of contract: 5,30000
installments gross amount Tds deductions net receipt date of receipt as per bank stmt

1st installment 303000 3000 300000 3/12/2010
2nd installment 75700 700 75000 10/1/2011
3rd installment 75700 700 75000 11/2/2011
4th installment 75600 600 750000 9/3/2011

excess refunded for TDS 300 -300

TOTAL 530,000 5300 524700





i got this receipt from my contract company letter head with their seal and sign for all my payments.

To
MYSELF
Sir,
As requested by you, we release the first installement of the payment for the developing of the web based software for inventory and accounts management system.
Payment details:
Amnt payable for 1st installment:X
TDS: Y
Net amt payable:x-y

Cheque no:
Bank:
Cheque date:
Amount:

hi seniors plz any one suggest on this....
what i have now with me is
1.bank statement
2.payslips-for permanent job
3.contract agreement--contract work
4.payment voucuher---contract work
5.cheque covering letter---contract work