The actor took to Twitter to express his gratitude to the director for "Saat Hindustani".
"(I) had started day at 7:30 a.m. ... dub for a tribute to KA Abbas, for his centenary. K.A. Abbas gave me my fist film," Amitabh posted on the microblogging site Monday.
Abbas has also helmed films like "Shehar Aur Sapna", "Dharti Ke Lal" and "Roop Lekha".
--IANS (Posted on 13-01-2014)