India Post — International Speed post to germany not delivered in 18 days

I have sent a document from thrissur speed post to germany on 11th december and today is 29th december but still the couldn't deliver it. I have mailed it in speed post. It's been 18 days. My deadline is 31st. But am not sure whether they can deliver it before the deadline. This is really bad. This will effect my career as the mail was for educational purposes. What surprised me is the document which I have given on 11th has left kochi in air mail only on 22nd december. So it took almost 11 days for transporting it from thrissur to kochi and leaving kochi.