4 round of interview first round basic technical second round is preliminary Test Third round manager round final round HR For 5 year of experience. 1) tuples 2)value type and refrence type 3)delegates 4)boxing and unboxing 5)mangesd and unmanaged code 6)diff between struct and class 7)enum 8) constant vs readonly 9)mvc filters 10) attribute routing in mvc 11) action filters type in mvc and return type 12)why main method should be static 14) type of constructors in class explain 15)state management techniques 16)sealed class and properties 17)dispose and finalize 18)delegats and events 19)c# collections 20)opps concept in detail 21) interface can have same method 22) threads 23)web config vs mechine config 24)sql statement ddl ,dml 25) clusterd and non clustred index 26) column constraints in sql 27) normalization in sql 28)selectors in jquery as well css 29) function vs store procedure in sql 30) throw ex vs throw difference in c# 31) can we have multiple exception block 32) custom attributes in c# 33)convtert.tostring vs tostring difference 34)solid principal