Gem bids for 78 Seat Belt With Reminder As Per Dgmstech Circular No. 06 Of 2020 Dhanbad Dated 27022020 Rear Vision Camera As Per Dgms Tech. Circular No. 06 Of 2020 Dhanbad Dated 27.02. 2020. Auto Dipping System As Per Dgms Tech. Circular No. 06 Of 2020 Dhanbad Dated 27.02. 2020. Audio Visual Alarm As Per Dgms Circular No. Of 2010 & Ip-67.