India Post — non delivery of goods

I have ordered one children helicopter to the company "life style shoppie" chinna through amazon
The company send the material through "india post".
While i am tracking the goods in "india post" it shows delivered,
But i am not received
The details are
Goods name :sales syma x8c x8g x8w x8hc x8hw x8hg helicopter
Order date : 3/6/2017
Order no :[protected]
Order total : rs.1353/=
Order placed in : amazon
Party sent thro : india post
India post ref no : rf[protected]cn