A N Shamseer, who represents Thalassery in the assembly, has also been asked to pay a fine of Rs 2000.
The order in this regard was issued by Judicial First Class Magistrate court here yesterday.
Shamseer, who was DYFI's Kannur district president, had made a provocative speech allegedly threatening police on July 20, 2012.
He was sentenced under Section 117(E) of the Kerala Police Act.
After the judgement, Shamseer appeared before the magistrate and secured bail.
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