Vishnu Narayanan
He has been a frequent collaborator of director Ranjith Sankar , with whom he has worked on "Punyalan Private Limited" ( 2017 ) , "Njan Marykutty" ( 2018 ) , and "Pretham 2" ( 2018 ) . 
<triplet> Punyalan Private Limited <subj> Ranjith Sankar <obj> director <triplet> Njan Marykutty <subj> Ranjith Sankar <obj> director <triplet> Pretham 2 <subj> Ranjith Sankar <obj> director