hello saksham sinha

I hope you are doing good.  As I also belong to ews category , I think i  totally understand your situation. I will help you out by informing you that ews is validity of 1 year but starting of year is taken finanical year wise ( from the date of march) , so if you make your certficate in 2021 december, then your certificate will be valid the end of finanical year only . In documents ,last recent 3 years income return is required so you will need to have income tax return from 2019-2022 to avail the benefits

Hope you found this answer helpful. Good luck for your future