Question : Write a letter to the contractor for complaining about lesser man days than that of the agreement in the contract and due to which your work/job has got hampered. Write to extend the contract period. Note: ... 26 August 2017 To M/s Example Pvt Ltd. 73/1, Example Road Example City xxxx13, Attention Mr. Example Sheikh, Sir Dear/Sir/ Madam , Sub: Complain letter for job delay. Ref: w/o no.- xxxxxx458 This is for your kind information that due to 12 man days absence of contract workers counted cumulatively for "the meter changing job" , w/o-xxxxx458 period for counting from 1-1-2017 to 30-1-2017, our maintenance job has got hampered. Therefore, The contract period of this contract will be extended by 12 man-days after the date of the completion of the contract as mentioned the contract. Date: 13-02-2017 Regds : Sr Manager Example corporation of country. Mobile : email :