1. Complaint Letter Definition A Complaint letter is a request for an adjustment. In other words, it is a letter that describes about the damage; errors or mistakes happened to the delivered goods and therefore claims for compensation is known to be a complaint letter. In modern age, the chain of business is not limited within the boundary of country. As business is expanding, its complexities are also increasing. So, mistake or fault is not a strange matter in the arena of business. There may be wrong delivery of goods shipment of obsolete, poor quality or underweight goods, faulty packing, delivery after the specified date and other damages to the goods shipped. In the above cases, buyer is supposed to suffer financial loss and therefore he has every reason to complaint to the seller demanding compensation. Hence a letter is used to serve such purpose is called complaint letter. To draft such a letter, buyer must have valid grounds to explain that he has suffered fi