In 1983, Kochar began to serve as a member of the Union of Filmmakers of Armenia.

In 1993, Kochar founded AITN (Armenian International Television Network) in US, ARPI daily cultural TV program airing in Los Angeles since 1992 and ARPI Video and Film Production in 1998.

In 2009 Kochar staged Son of Faith, a theatrical drama (by Armenian dramaturge Manuel Atamian), which premiered at Sundukyan State Academic Theatre in Yerevan, Armenia and later performed in Stepanakert, Artsakh, London, UK and other diaspora communities.

In 2016 he sculptured the statue of Motherhood based on the sketch Yervand Kochar created in 1928 in his Parisian period.

In 1985 he was awarded the Laureate of the Lenin Komsomol Prize for innovation style of film ballet series: Lilith, Memoirs, Hello Out There.