 The first change took place in 1835 (after the lapse of the jagir of Bala Bai of Gwalior), when the district was reconstituted with the tahsils of Meerut, Hastinapur, Kandhla, Baghpat, Dasna, Hapur, and Puth-Siyana; the second with the lapse of the estates of Begum Samru in 1836, when the parganas of Sardhana, Barnawa and Kotana were included in the district, each forming a separate tahsil till 1840; the third in 1842, when the parganas of Shikarpur, Sambhlera, Bhuma, Kandhla and Budhana were transferred to Muzaffarnagar, the tahsils constituting the district then being Meerut, Sardhana, Baraut, Baghpat, Hapur and Dasna; the fourth in 1853 when 110 villages of Loni and 14 of Dasna were transferred to Delhi, 15 being given to Muzaffarnagar and 7 being received in exchange.In 1859, pargana Loni was restored to Meerut and its consisted of 130 villages, of which 104 were those that had been transferred to Delhi, and 26 were new villages that belonged to Delhi.In May of that year, the district was reorganised so far as to constitute six tahsils, those of Meerut with 323 estates; Sardhana with 154; Baghpat with 277; Muradnagar with 266; Hapur with 329; and Mawana with 289.