I have selected choices. when I can lock? locking time 2nd Nov. is it possible to lock on that time. when will I get result?. kindly guide the procedures.
Please provide further information, such as which exam have you given? So that I can help you better.
Seeing that your question is marked with #IT I can only assume you are referring to JEE Counselling and the detailed procedure, along with dates and links has been provided in this link.
https://engineering.careers360.com/articles/jee-main-counselling-seat-allotment
Please refer to this link :
https://medicine.careers360.com/articles/neet-counselling#What-is-NEET-Counselling-2020
This website has all the information you may need regarding NEET Counselling along with dates, procedure and links.
ALSO
I could also find this paragraph from official pdf (link below)
"During the choice
locking period, it is necessary to lock the choices to get a print of your submitted choices. If candidate does not lock the choice submitted by him/her, it will be automatically locked as per schedule."
https://mcc.nic.in/UGCounselling/Documents/UGSchemeFinal.pdf [Qno.8 pg-31]