After a robbery case was registered at Bara Hindu Rao police station, multiple teams were formed under senior officers of North District. Constable Samay Singh, posted with the 5th Battalion of the Delhi Armed Police (DAP), was released last May on bail following the arrest in a robbery case. A city court had noted that no evidence was found against him and he should be reinstated while the probe continues. Department inquiries were also ongoing against him in two other cases of kidnapping and dacoity at the time, according to a police officer. But after his release, he allegedly plotted another robbery. Along with seven others, he targeted a Chandni Chowk-based businessman and looted Rs 50 lakh in March. As police cracked the case, Singh was arrested on Thursday after seven others were arrested earlier, said officers.…