Cognizant Systems Developer Python Developer interview questions

two telephonic interview followed by 2 client interview.i cleared all the rounds. then for HR round, they would send me link to attend it but no one from there end will join.after following up for months finally the hr contacted me on phone(just for formality) and said less amount(so i could refuse it). wasted months of my times. the interview process started in dec till feb on and off.could thing i had other offers in my hand. friends be careful from cts offer from hyderbad location. they will take interview and waste your time and energy and give you false hope.