Subhadrika Sen
Softness: If you touch the berry and find your hands sinking into a mushy texture, then it is overripe.
Wrinkles: Blueberries and raspberries show signs of being overripe if you spot wrinkled skin.
Colour signs: If you notice a berry looking way too dark or extremely dull, then it is overripe.
Smell check: Smell the berries. If you find it slightly different then it may mean that the berry is spoilt.