Rubuta ci gaba don wannan sakin layi - yankunan iyakar arewa maso yammacin Birtaniya sun haɗu da Indiya bayan yakin Sikh na biyu
(1848<unk>49). Yankunan daga wannan lokacin sun kasance wani ɓangare na Punjab har zuwa lokacin da aka kirkiro lardin, wanda aka sani da lardin Arewa maso Yammacin Frontier, a cikin 1901 daga gundumar arewa maso yammacin lardin Punjab.