put 2 cups of frozen watermelon chunks in blending jar
add orange juice in it
blend it for 1 minute
transfer the mixture in air tight container put it in a freezer for 1 hour.
churn after 1 hour
put the mixture again in refrigerator for 1 hour
repeat the procedure twice
for serving take out from freezer and scoope out and serve with fresh mint leaves and Sprinkle some chat masala on it