The human and computer interface is becoming increasingly intuitive, but for the inexperienced user still poses formidable problems. Musculoskeletal symptoms of VDU users are believed to have a multifactorial aetiology. Software developers don't have knowledge of ergonomic principles. Faulty postures had an effect on posture.

Data will be collected from software developer companies in Lahore at questionnaire include demographic data and data collection tools. The software developer will be guided about basic ergonomic principles and data will be collected at the start of the study and in 2 stages with a 2-week interval. A quasi-experiment study will be used. The sample size will be323 (margin of error 5%, confidence level 95%, population size 2000, and dist. 50%) by Rao software. A convenient sampling technique will be used. Data will be analyzed using SPSS 21 by comparing mean and correlating variables

Inclusion Criteria:

• Software engineers who have experience of more than 2 years, in the same company.
• Software engineers with the age less than 40 years and both gender.

Exclusion Criteria:

• Software engineers who had a past history of spine surgery or diseases in the Spine like disc prolapse, discitis, arthritis etc.
• Orthopedically physically challenged
• Pregnant women.