IMPHAL, Sept 10: The Lions Club and Lioness Club of Imphal observed Teachers Day today, 10 September at Lions Service Centre, Soibam Leikai, Imphal and honoured three prominient retired teachers including A Rovichandra Singh, retd principal, Modern college, Ph Tomchou, retdd Addl director of Education (S) and Th Herachandra Singh, retd Lecturer, CC Hr secondary school with dhotis and shawl.