aliexpress Chennai customs retained by Customs without any reasons

Parcel Not Received -Retained by customs for unspecified reason My parcel tracking number- ,RF472689489SG Shipped from Singapore.
When i was tracked the parcel in INDIA POST site, It was shows as "Retained by customs for unspecified reason"
It was reached at Chennai customs on 11th september 2017 and it was retained by Customs without any reasons and they are not released my parcel till date (14/09/2017)
Kindly release the product.

Regards,

J.thiruppathi
9842652199
[email protected]

aliexpress Status showing In transit after 8days of received parcel at Kolkata shorting office

Now Tracking Status is showing In transit after 8days of received parcel at Kolkata shorting office. next door is not updating. My tracking no is RY210050418CN . I can’t understand, Kolkata office can’t find my parcel to ship. I can see here by track. please, reply me.