Nowadays even if the employee approach the court, he cannot justify his desertion. But we also must adopt some set rules against the erring employees.
If you bypass the rules, the offender will become hero and you will be seen as a villain. So never give such chance to talk. You can make some letter in previous date and paste 5 rupees stamp in a piece of paper write his address in the paper and get it acknowledged from the post office. So that you can prove that you have sent some communication by Certificate of Posting letter. If you manage the sorting clerk in the nearer post office, he will get you the stamp on old date on the paper.
Now you can issue termination letter after preparing the document to safeguard you.
I am enclosing a file which consists the judgement details of some cases which has been taken from
https://www.citehr.com/327298-changi...bour-laws.html thread.
All the best