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The word ‘Darasbari’ is a place of learning and next to the mosque lies the ruins of a madrasa (Islamic school). The madrasa came up in 1504 during the reign of Hussain Shah. The madrasah has 40 rooms surrounding an open courtyard. There are gates on three sides except the west which houses a room with three mihrabs. The ruins of the mosque were excavated in 1970. The Darashbari Mosque and Madrasha are surrounded by mango orchard and a dirt road meandering past a pond connects the two historical structures.
Just opposite the Choto Sona Masjid Complex is a cluster of medieval tombs. The site houses several scattered stone tombs, including two large tombs located on an elevated platform. This is believed to contain the mortal remains of the mosque builder Wali Muhammad and his wife.
The Tahkhana Complex houses three separate structures. The structures are related to Shah Niamatullah. Niamatullah was the spiritual guru of Shah Shuja, the elder brother of Aurangzeb. Shah Suja served as a subedar of Bengal and made frequent visits to his spiritual guru.
The white two-storied building with 17 rooms served as a multipurpose building. Two octagonal rooms on the northwest were used for namaaz. The southern section contains a hammam. The other rooms served as dining and meeting places. It was built by Shah Niamatullah.
The masjid is built by Shah Shuja as a tribute to his spiritual guru Niamatullah. It is a three-domed mosque and with minarets at the four corners. The front part (east) part of the masjid consists of a walled elevated courtyard. The entrance to the courtyard is through a gateway from the east. The courtyard wall contains slender corner turrets and have decorative lattice screens.
The tomb contains the mortal remains of Shah Niamatullah. Niamatullah died in 1664 (another source 1669) and was laid to rest in the tomb, which had previously been built by Shah Shuja. The single domed structure has arched gateways on all four sides. The corner has slender minerates.
The Khania Dighi Masjid is a small brick-built mosque with a single dome. The mosque has a porch on the eastern side. The porch is topped with three small domes and has a triple arch entrance. The main structure and the porch have corner minars, Thus the mosque has a total of six minners. The small but elegant mosque has beautiful terracotta ornamentation depicting intricate floral and geometric design.