The minister, along with Irrigation and Drainage and Local Administration officials, inspected the condition of the rivulet at the Kanjali picnic spot today.
Later, Singh told reporters that sewage water flowing into the rivulet for years had left it in a "pitiable condition".
He directed the officials to rid the waterbody of hyacinth and underwater vegetation within three months.
He also instructed the Irrigation and Drainage department to installa conveyor belt at the barrage of the rivulet, which would help in removing the hyacinth.
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He said the Amarinder Singh-led Congressgovernment was committed to cleaning the holy rivulet and stopping the sewage flow into it by 2019, to celebrate the 550th birth anniversary of Guru Nanak.
The Sikh guru spent over 14 years of his life at Sultanpur Lodhi, located on the south bank of the rivulet, and bathed daily in it during the period.
The Kali Bein originates from Dhanoa village in Hoshiarpur district.