Update : 
: Immortal Samsara has obtained its online distribution licence today 
( Youku )
So some rumors are circulating about the release date of the drama and the number of episodes in total as the drama is divided into two parts. First part : 沉香如屑, Second part : 沉香重华.
Rumor 1 : Immortal Samsara is either tentatively scheduled to air on July 20th or in August.
Sources : Twitter : @Star Dramachaser, Weibo , YingPingShuo
Rumor 2 : The drama would not have 60 episodes in total but 80 but apparently during the promotion conference which took place on June 29th, it was said that it was 60 episodes, so we’ll see during the official announcement ! 
Sources : Twitter : @Star Dramachaser, MyDramalist : Comments