Thane: A Thane court has acquitted a man accused of killing his 4-year-old stepson, noting that the prosecution failed to establish the chain of circumstances to prove the guilt of the accused beyond a reasonable doubt. Sessions Judge S B Agrawal, in the order passed on Tuesday, also highlighted contradictions in the testimonies of the prosecution’s witnesses. The court directed that Mohammed Dilshad Mohammed Imran (25), who has been in custody …