Cant describe pronunciation of "zha" You can just search 'plantain' in english to Malayalam translation and hear the pronounciation in google, or just learn by hearing in the movie😅😂
I know you guys are not familiar with that 'zha' ഴ syllable I'm only telling you that tha 'Z' sound has no connection with 'zha' ഴ. American pronunciation of 'R' is one example 'zha' this when thay pronounce 'R' they bring their toungue backwards, like that this 'zha' kind of sound like.