First to all you have to open picsart app and search Pongal
Then a lot of photos will appear in front of you and you have to choose one of them
First click on original and then click on my photo
Now you have to come back click on add object again and then choose my photo
Now click on whatever you want to remove from it. After clicking, click on the cross mark on it
Now you will get the option of add photo in the bottom side bar ,click on it
Now you have to choose your photo from gallery
Now selecting your photo, you have to click on it and after clicking, you will get to see the option of remove background, click on it
Now you have adjust your photo and above you will get to see download mark, click on it. Now your pongal poster is ready and it is also saved in your gallery