Trichy Sankaran | Kerala Kalamandalam | Kalamandalam Hyderali | Kalamandalam Gopi | Ra. Sankaran |
Warrier worked in FACT Kathakali School for 18 years along with late masters such as Vaikom Karunakaran Nair, Kalamandalam Kesavan (chenda), Kalamandalam Sankaran Embranthiri and Kalamandalam Hyderali (Kathakali music).
His prominent disciples at the Kerala Kalamandalam include virtually the who is who of the Kathakali music of the Kalluvazhi style: Kalamandalam Unnikrishna Kurup, Kalamandalam Gangadharan, Ramankutty Varrier, Madambi Subramanian Namboodiri, Tirur Nambissan Kalamandalam Sankaran Embranthiri, Kalamandalam Hyderali, Kalamandalam Haridas, Kalamandalam Subramanian, Kalamandalam P.G. Radhakrishnan, Kalanilayam Unnikrishnan and Kalamandalam Bhavadasan, Kalamandalam Gopalakrishnan.
With Madambi Subrahmanyan Namboothiri, Kalamandalam Hyderali and Kalamandalam Sankaran Embranthiri as contemporaries, he started to learn Kathakali music in Kalamandalam.