Kaal Sarp Dosh is a astrological belief in Hinduism that occurs when all the planets are hemmed between Rahu and Ketu in a person's horoscope. This is considered to be an inauspicious configuration of planets, which can lead to various difficulties and obstacles in life.

The term "Kaal Sarp" is derived from the Sanskrit language, where "Kaal" means time and "Sarp" means snake. It is believed that the person affected by this dosha will have to face many challenges and hurdles in life, and may experience delayed success or setbacks in various areas of life, including health, career, finance, and relationships.

The effects of Kaal Sarp Dosh can be reduced or nullified through various remedies, such as performing puja, yagna, and mantra recitation. Many astrologers also recommend wearing certain gemstones or performing specific rituals to counteract the negative effects of Kaal Sarp Dosh.

It is important to note that not all astrologers agree on the existence or significance of Kaal Sarp Dosh, and there is no scientific evidence to support its claims. Ultimately, it is up to individual belief and practice whether or not to follow astrological remedies for Kaal Sarp Dosh or any other astrological dosha.