_id schedule_id survey_year sector nss_region district stratum group sub_stratum fod_sub_region fsu_serial_no second_stage_stratum_no sample_hhld_no informant_sl_no response_code survey_code substitution_reason household_size household_type religion social_group in_hostel_or_mess any_member_attending_school num_members_attending_school monthly_expenditure_purchased_goods monthly_expenditure_homegrown monthly_expenditure_in_kind_gifts annual_expenditure_clothing_footwear annual_expenditure_durables usual_monthly_consumption_expenditure canvass_time_minutes mult