India Post — My speed post is still not delivered.

Address: Mumbai City, Maharashtra

Website: www.indiapost.gov.in

My speed post number en[protected]in, i have posted this on 4/10/2016 to mumbai mulund west, which has to be delivered on or before 6th october, which was not delivered till today. They dint even call repient, though i have entered phone number. Iam very dissappointed by indian post service, i should have opetd a courier service instead of post. Please kindly deliver my post, i was already late because of your negligence in delivering post.