Dishonour vs Mischief: IPC Ka Kya Hai?

I'm all confused with IPC 504 vs 427. Dheere-dheere khada ho raha hoon ab to. Both seem similar but kuch different hai nahi? Mene kuch topics dekhe hain jahan donon ko relate kiya gaya hai. Ab to koshish karne aaya hoon ke doon se difference nikalun. Kisi bhi kuwad ka jawab dijiye jisse mujhe samajh aaye. Mere pass abhi to 504 mein insult aur 427 mein damage hai, lekin ye to bhi kuch nahi hai. Kya koi aur points hain jo is cheez ki wajah se confusion hai?