Ludhiana, March 19 -- Police DAV Public School, Police Line, Civil Lines, organised a havan ceremony on Monday. Acharya Roshan Lal Arya performed the rituals. Principal Anu Verma ignited the havan kund. Roshan lal Arya apprised the teachers about their significant roles as a guru in students' life. He said the teachers were the nation builders who lighted the life of students by consuming themselves. The principal explained the importance of havan and its implications....