Dinesh Sharma has written a cover letter applying for the project manager position at ABC Exports. However, there are some errors in the letter. The corrected cover letter follows the proper format with a formal letter structure including an introduction referring to the job posting, emphasizing the applicant's qualifications and experience, and assurance of fulfilling expectations. It also includes the applicant's resume as an enclosure. The document provides guidance on the key components of a effective cover letter such as structure, content and expressions used.