Is there any option to raise ticket and follow this someone or group of people ?
Hi:
What do you mean exactly? Support tickets for Frappe products?
Or are you asking for this option in ERPNext as feature?
If you’re looking at buying a support subscription with Frappe, sign up here: ERPNext Pricing
If you’re looking at trying out a ticketing software, check Frappe Helpdesk: https://frappedesk.com/