Texture
Authentic paneer is soft and breaks easily, while fake paneer is rubbery or smooth.
Smell
Real paneer has a mild, milky smell, while fake paneer may have a chemical smell or no smell.
Taste
Real paneer tastes milky and clean, while fake paneer may taste artificial.
Moisture
Real paneer has more moisture and releases whey when pressed, while fake paneer is drier.
Iodine test
Boil the paneer, add iodine tincture, and if it turns blue, it's fake.
Arhar dal test
Boil the paneer, add tur dal powder, and if it turns light red after 10 minutes, it's fake.
Water test
Submerge the paneer in water, and if it disintegrates or dissolves, it's fake.