Mentos Contest-Peecha Kisne Kiya? Answer....

First

Sita /gita= hema malini(basanti) in sholay
Takbak takbak-Daku ke ghode..
,muska marne ka dusra tarika=dharmendra(veeru) in sholay doin maska to jai ,to convince mausi regarding there marriage,
dus no ka juta= amitabh bachhan(jai).
sabko ek nazar se dekhti hai=can not decode*
donno lucknow se hai=amitabh bachhan (jai) dispute regarding purchase of a land in lucknow ,in movie aarakshan some plots were shot in lucknow university..
All answer is regarding Sholay.. So peecha dakuo ne kiya...
so guys answer is DAKU

But if we see the first contest than the answer was hidden in the riddle itself.. so the answer can be
SHADOW following the man. Best of Luck..