Vignet Senior Software Engineer interview questions

Worst hiring process .Four rounds will be there 1st and 2nd technical 3rd managerial and 4th will be hr round. It took 3 weeks to complete process.They provide you offer and cancel your offer within 15 days. They gave me reason that their project is closed and my offer is kept on hold 15 days after offer released.Don’t go for interview also. Dont trust this company.