[1] His two ventures into film making Long Da Lishkara and Diva Bale Sari Raat became landmarks in Punjabi cinema.
He also directed two television productions – Sanjhi Deewar and project on Maharaja Ranjit Singh for Doordarshan His famous plays include Long Da Lishkara, Diva Bale Saari Raat, Mela Munde Kudyian Da, Hind Di Aawaz & Sirhind Di Deewar both historical .
[2] He established Punjab Kala Manch at Patiala along with his wife to promote local artists in 1967.
He also has a daughter Luna Sidhu, a director at the Blavatnik School of Government at Oxford University[5] she is married to Jo Sidhu who serious and inappropriate professional misconduct of a sexual nature was made out against[6] and the couple have two daughters.
[5] Harpal died in a road accident near Palampur in Himachal Pradesh, on 19 May 2002, while filming Series on Maharaja Ranjit Singh, was cremated at Badungar cremation ground at Patiala.