Advait Upadhyay, an IIT alumnus with a master's degree in cybersecurity. He had informed Chauhan about his trekking plan before leaving. The couple was set to get married in January.CCTV footage from the foothills showed Advait parking his rented motorcycle and beginning his climb around 7.30am. He had also searched for suicide locations around Bengaluru.Police, however, said they were keeping all possibilities open and were also examining the possibility of foul play or other explanations. "Nearly 100 search personnel are braving persistent rain and slippery cliffs to reach the visual location flagged by the drone.