Does king indian defence is good opening


It wouldn't hurt to learn another central pawn opening, but you may see a dip in rating before you get good at it and get better. It is a hyper modern opening so not an immediate centre pawn challenging opening. If you decide for white it is between 1.e4 or 1.d4 as you will need to have something against all the responses. So you will be picking up quite a bit I think.

Don't listen to them.
Play whatever you feel you would enjoy.
At your level... and at my level too... your most important asset for improving at chess isn't your calculation skill or your visualization ability - nor is it a prepared opening or a memorized sequence of moves.
Your biggest asset for improvement at the game is your enjoyment of chess and your enthusiasm for the game. That's what keeps you coming back and it's what impels you to work at getting better. If you lost your enthusiasm for chess... if you stopped enjoying the game... then you would stop trying to improve your skills.
So protect your enjoyment of chess, to the same degree that you protect your King or Queen. Play whatever you feel that you would enjoy.
A few words of general advice:
Ignore your rating. Don't stress as it wanders up and down. Don't get your rating and your ego all tangled up together... it will only injure both of them. At our level, below the titled ranks, rating is useful only for pairing purposes, to determine who your next opponent should be. People actually use it as a crutch for their ego, but that's not what it's for.
Don't worry about losing. A lost game will teach you far more than a win will. I must have lost thousands of chess games over the years, nearly a hundred of them in rated over-the-board official tournament games (most tournaments CFC-rated, a couple of tournaments FIDE-rated).

Openings do not decide your games. Blunders do.

it's a good opening if your name is Bobby Fischer or Garry Kasparov
I was playing it in CFC-rated tournaments from the time that I was about 1400 rated.
In FIDE-rated tournaments from when I was about 1700 rated.
Don't listen to them.
Play whatever you feel you would enjoy.
At your level... and at my level too... your most important asset for improving at chess isn't your calculation skill or your visualization ability - nor is it a prepared opening or a memorized sequence of moves.
Your biggest asset for improvement at the game is your enjoyment of chess and your enthusiasm for the game. That's what keeps you coming back and it's what impels you to work at getting better. If you lost your enthusiasm for chess... if you stopped enjoying the game... then you would stop trying to improve your skills.
So protect your enjoyment of chess, to the same degree that you protect your King or Queen. Play whatever you feel that you would enjoy.
A few words of general advice:
Ignore your rating. Don't stress as it wanders up and down. Don't get your rating and your ego all tangled up together... it will only injure both of them. At our level, below the titled ranks, rating is useful only for pairing purposes, to determine who your next opponent should be. People actually use it as a crutch for their ego, but that's not what it's for.
Don't worry about losing. A lost game will teach you far more than a win will. I must have lost thousands of chess games over the years, nearly a hundred of them in rated over-the-board official tournament games (most tournaments CFC-rated, a couple of tournaments FIDE-rated).
Super solid advice! When you post I take it a point to read what you have said. I don't think you have written anything that I have not been in total agreement on.

Yes, it is a good, very complex, and extremely high-maintenance opening.
But this is irrelevant to an ELO-hike. And more than that, there is not a single game in your archive here where the King's Indian Defense was played- with either colour. There is only one game which started with something very remotely reminiscent of a King's Indian, and proceeded with several mutual blunders- so the result had nothing to do with the opening.