Journalist Vikram Singh succumbed to injuries on July 22 in Ghaziabad's Yashoda Hospital.
Journalist was attacked by a group of unknown people on July 20.
Joshi's nephew said that they will not accept the body until the main accused is caught.
He said, "Some boys including Kamal-ud-Din's son used to eve-tease my sister.
It was her birthday when incident occurred.
My uncle was coming home with her when Kamal-ud-Din's son attacked him and shot him.
We'll not accept my uncle's body till main accused is caught." On the arrest of 9 people in connection with the case, he said, "3 of them are not even involved.
Only one of them is accused.
But the main accused has not been caught."