Something happened with me on 6 Nov 2019 time 2:30pm.Two ladies at Mahrani Bagh new Delhi noticing me.I was there for some work.The ladies have green tea packets in their hand.They asked me to give your phone for phone call.They called the number18001211563 and suddendly a unique code were sent on my mobile number.I give them a code.What is this?please give me information?