Praveen, who works as a taxi driver in Haridwar, was taken into custody here yesterday.
Sandeep Sharma alias Adil was arrested by J-K Police on Monday.
Parvati had told reporters here that, "If my son is a militant he must be punished. Due to his actions we are facing problems and shame."
Both Parvati and Rekha work as domestic workers in the district.
Sharma, alias Adil, had left the district in 2012 and told his family that he was earning Rs 12,000 per month in Jammu. His father died in 2007.
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