Later that year , he was appointed head master of a school in Delhi .
In 1858 , he was native head master in Thomason Civil Engineering College ( now Indian Institute of Technology , Roorkee ) at Roorkee .
Later that year , head master was appointed head master of a school in Delhi .
In 1858 , he was native head master in Thomason Civil Engineering College ( now Indian Institute of Technology , Roorkee ) at Roorkee .