After Pillan 's Upanayana , Thirumalai Nambi entrusted his son to Kidambi Aacchan .
After Pillan 's Upanayana , Thirumalai Nambi asked him to become a disciple of Ramanuja .
After Pillan 's Upanayana , Thirumalai Nambi entrusted his son to Kidambi Aacchan and asked him to become a disciple of Ramanuja .