▁of ▁the ▁population ▁of ▁Bir b hum ▁district ▁in ▁ 1 9 6 1 ▁to ▁ 9 1 . 9 % ▁in ▁ 2 0 0 1 , ▁Sant ali ▁has ▁decre ased ▁from ▁ 6 . 9 % ▁in ▁ 1 9 6 1 ▁to ▁ 5 . 9 % ▁in ▁ 2 0 0 1 . ▁Other ▁mother - t ong ues ▁spoken ▁in ▁ 2 0 0 1 ▁were : ▁H indi ▁( 1 . 2 % ), ▁K hor tha / ▁K hot ta ▁( 0 . 3 % ), ▁K oda / K ora ▁( 0 . 2 % ), ▁Tel ug u ▁( 0 . 1 %) ▁and ▁Kur uk h / ▁O ra on ▁( 0 . 1 %). ▁ ▁In ▁the ▁ 2 0 1 1 ▁census , ▁H ind us ▁number ed ▁ 1 0 6 , 7 3 8 ▁and ▁formed ▁ 5 2 . 1 1 % ▁of ▁the ▁population ▁in ▁N al h ati ▁I ▁CD ▁Block . ▁Muslim s ▁number ed ▁ 9 5 , 5 2 1 ▁and ▁formed ▁ 4 6 . 6 4 % ▁of ▁the ▁population . ▁Christians ▁number ed ▁ 1 , 7 9 3 ▁and ▁formed ▁ 0 . 8 8 % ▁of ▁the ▁population . ▁O thers ▁number ed ▁ 7 6 6 ▁and ▁formed ▁ 0 . 3 7 % ▁of ▁the ▁population . ▁ ▁The ▁proportion ▁of ▁H ind us ▁in ▁Bir b hum ▁district ▁has ▁decl ined ▁from ▁ 7