2 round interview process with normal interview questions but the thing discuss in interview was not same in offer letter they said u will get package of 2.76 and in offer letter they offered 2.68

1st Oct walk in interview for HR recruiter. Job description mention and requirement of company different. they had mention 0 To 5 year experiance and i am only 3.5 year. i am over experiance. They had mention Qualification MBA/BSC required. i have qualified Bsc degree. they had no mention any offer salary of job description, i told him, i am ready as per company norms. so rejected. It's wrong / right !!