It is stated in the grounds of the detention that on 12.11.2018 at about 8.00 a.m. the defacto complainant viz, Sakthivel, along with three others appeared before the Inspector of Police, Barur Circle, Nagarasampatti Police Station and lodged a complaint. They have also produced the accused viz., Duke Arul @ Arulmani and also a cash of Rs.1,050/-, a knife and a YAMAHA two wheeler bearing registration No.TN70-M-1147. It is averred in the complaint that the defacto complainant owned a TATA ACE Vehicle bearing registration No.TN70-K-9200 and on 12.11.2018 at about 7.00 pm., he proceeded from Nagarasampatti to load the goods. On his way, he parked his vehicle near a petrol bunk in Sallampatti Junction to have a cup of tea. At that time, the accused who came in his vehicle, stopped it near the tea shop and came nearer to him and took out a knife and threatened him to part with the money, he possessed. Immediately, the defacto complainant handed over the cash of Rs.1,050/- to him. The defacto complainant raised an alarm and the persons who were near the tea shop came for rescue. On seeing the public gathering there, the accused took cool drink bottles from the tea shop and hurled it over the public and attempted to escape from the scene of occurrence. But, his efforts had failed and the accused was caught hold by the public. The accused was brought to the police station by the defacto complainant and three others, and based on the complaint, the Inspector of Police registered a case in Cr.No.199/2018 for the commission of offences under Sections 392, 506(ii) IPC [ground case] and took up the case for investigation.