By A Staff Reporter : The mother and elder brother of BJP worker Abhijit Sarkar, who was killed in post-poll violence at Kankurgachi, went to the court to testify in the murder case on Monday.The mother of the slain BJP worker became unconscious in front of the judge in the Sealda court. Then she was taken to NRS Hospital.Biswajit claims that his mother fell ill due to constant threats.