Chheharta Sahib is a town located 7 km west of Amritsar city of Punjab in India, on the Grand Trunk Road leading to the Pakistan border. The town derives its name from the Gurudwara Chheharta Sahib, established by the fifth Sikh Guru Guru Arjan Dev ji
Guru Arjan Dev ji, the fifth Sikh guru, had a large well constructed in this area. The well was so large that it required 6 Persian wheels to operate. Chheharta got its name from the six wheels, where six is chhe, and the Persian wheel is called hart
Source : Wikipedia