Cognizant Senior Associate-Projects interview questions

It depends on the project to project. Either you will have Face to Face and then client round and then selection. Or L1 & L2 then HR round then selection

For experience developer it was two round of technical interviews rest was managerial and HR round. First Round was Telephonic where it been asked about Project exp and Work i have done. What are the challenges i have faced in project. along with some comparison with other technologies in ecom.