Turns out that the guy who was stabbed as PARTICIPATING in the protest by Gau Rakshaks
This is what your OWN link says,
"The teenager, (who was stabbed) identified as Shivam, was participating in a protest organised by the Gau Rakshak Seva Dal against cow slaughtering in Kerala last week, said SHO (Gohana) Kuldeep Deshwal.
The accused, Mohit, has been arrested on charges of attempt to murder. "