BEGIN:VCALENDAR VERSION:2.0 PRODID:-//hacksw/handcal//NONSGML v1.0//EN TZ:+00 BEGIN:VEVENT DTSTART:20231204T000000Z DTEND:20231206T000000Z SUMMARY:International Conference on Optoelectronic and Bio-inspired Nanomaterials starts on the 4th December 2023 LOCATION:IIT Roorkee, India,Roorkee,India END:VEVENT END:VCALENDAR