Tarak Das , 70 , was picked up from a Calcutta footpath a week ago by passers-by who took pity on him and brought him to Nirmal Hriday ( Immaculate Home ) .
<response> <person>Tarak Das</person> , 70 , was picked up from a <location>Calcutta</location> footpath a week ago by passers-by who took pity on him and brought him to <location>Nirmal Hriday</location> ( Immaculate Home ) . </response>