Charilam, July 1 -- When the school day begins at PM Shri Baidyadighi Higher Secondary School, one familiar figure quietly takes her place in the classroom. There is nothing unusual about the way she teaches, explains lessons or interacts with students. What people unfamiliar with her would find hard to believe is that Pratima Pal officially retired from government service fourteen years ago.

For most public servants, retirement marks the end of a professional journey. For Pal, it became the beginning of a different kind of commitment. The day after retiring in 2012, she returned to the school-not as a salaried employee, but as a teacher determined to continue what she believes is her life's pursuit. Since then, she has taught students e...