I have a four-year gap between my Diploma and degree, will I be eligible for IT companies?

I think, you will not be eligible for some IT companies because when you give resume in front of the company then employment might get your resume rejected in case you don't mention the reason for this break in employment. Hence, you must honestly mention the reason in your resume.

Yes, you are still eligible to apply for IT companies despite having a four-year gap between your Diploma and degree. Many IT companies consider a candidate's skills, knowledge, and experience rather than just their educational qualifications or gaps in their academic background. However, it may be

Absolutely friend, having a four-year gap between your Diploma and degree may not necessarily disqualify you from being eligible for IT companies in India. Many IT companies in India focus more on a candidate's skill set, technical knowledge, and performance during the interview process rather than