1. Man acquitted in gruesome India murder case found dead  BBC
  2. Surinder Koli, Acquitted In 2006 Nithari Killings Case, Dies by Suicide  NDTV
  3. Surendra Koli, accused in Nithari killings, found dead in his Haridwar tea shop  The Hindu
  4. Nithari case victim's father questions Surendra Koli's death, claims murder  The Times of India
  5. 12 death sentences, 13 acquittals later, Nithari’s Surendra Koli found dead in Haridwar: Timeline  hindustantimes.com