1) Refer terms of appointment for clause on resignation and notice period/notice pay
2) Issue him a an intimation stating that he s absent since without intimation and authorized approval, hence shall report on duty by..date.
3) If fails issue him a show cause notice stating that he has not responded to intimation issued, and has continued to remain absent unauthorized, if dies nit report by...., the action deemed fit would be taken against him.
4) If fails terminate his service with payment of one/two months notice pay (as per terms of appointment) and issue relieving letter with full & final.
5) In option of step 3) you can wait for longer duration and issue one more intimation and thereafter consider the case as "absconded" or abandonment of the services and relieve him.
99 98 97 10 65
25th February 2019 From India, Mumbai