India Post — Not deliver my daughter's aadhar card due to rs.20

Address: 400703

Website: Online delivary

My post office is in vashi navi mumbai,
One post man call me on friday 21st april, mr. Kadam, for my daughter's adhar card and he was not deliver that only for rs.20 and he said collect the same from vashi post office.
Today 27th april iam enquiring about the same but in this post office no one help me out of this. And again the staff said me to contact with that postman mr. Kadam.
Kindly take initiative and start cleaning the internal system, where the people doing hell.
Thank you