[3][4][5] Lekh's father, Faqeer Chand Tandon, had studied with Prithviraj Kapoor at Khalsa High School (Lyallpur, Punjab, British India), and had been friends.

Though the prestigious film Jhuk Gaya Aasman starring Rajendra Kumar and Saira Bano did not become successful at box office, they are considered classics.

His successful directorial ventures at box office include Prince (1969 film), Ek Baar Kaho, Agar Tum Na Hote.

Actor Victor Banerjee, who played the leading role in his film, Doosri Dulhan, described him as a director who "loved his craft and could deftly weave the commercial angle in a decently-told narrative.

Lekh is also discovering Lankesh Bhardwaj by appoint him as an assistant in Writing with him in the year 2001 and give him an opportunity as an actor in Ek Aangan Ho Gaye Doh.