Can the execution court go behind the decree?

Can the execution court go behind the decree? No, the execution court can not go behind the decree See  Sunder Dass -Vs- Ram Prakash (AIR 1977 SC 1201) Hira Lal Patni -Vs- Sri Kadi Nadh (AIR 1962 SC 199) Vasydev Dhanjibhai Modi –Vs- Rajabhai-Abdul Rehman & Others (AIR 1970 SC 1475