Ecom Express — non-delivery by falsely claiming "customer not available".

Ordered an item from amazon.in with tracking id [protected].
On 16th sep'20 at 18:03 hrs a message came that delivery attempted but customer not available.
But the truth is no one called even once. And the fact is that since my child's online classes start at 18:00 hrs so my family is always home by that time. So it is a case of clear lie. (This type of incident has happened before also with ecom delivery). They also said that delivery will be attempted the next day. But today on 17th sep'20 no delivery nor any call received from ecom personnel. And then ecom will return the product stating "customer not available at home", and this has happened earlier also. (It is to be noted that i have received products through other delivery companies today 17.09.20 in the evening).

For your information, in the last month alone i have received more than 20 items from different online sites. And problem always happens with ecom delivery in our area. With all other delivery companies i do not face these type of problems. Other company delivery agents always call before they come and are very polite.
My pin code is 781020, guwahati, assam.