Sudhir (10) and Vikram (22) were shot dead allegedly by some youths of "upper caste" in Madina village of Meham sub-division on March 30.
The district authorities did not allow the protesters to erect a tent on the 'dharna' site saying that they don't have permission for it.
The protesters are demanding immediate arrest of all those who have been booked in connection with the killings besides Rs 25 lakh compensation and a government job each to kin of the deceased.
Dalits from across the state will participate in this 'gherao' to mount pressure on the union leaders, besides apprising them of the plight of SCs in Haryana, they said.
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Top officials of district police and administrative authorities have tried to pacify the Dalits saying that sincere efforts are being made to nab the accused and they will be arrested soon.
However, the protesters are adamant on their demands.
Meanwhile, Sansaar Singh, father of Suudhir, said in a press release, "We can not reside in the village till the accused are arrested. We are entirely scared as people of the upper caste are still threatening our kin of dire consequences.