Question

how were records preserved during the British rule

Answer 1

The British felt that all the important letters and documents must be carefully preserved. So they set up record rooms attached to administrative institutions, and institutions such as archives and museums were also established for preserving records.
i hope it true. !!

Answer 2

The British felt that all the important letters and documents must be carefully preserved. So they set up record rooms attached to administrative institutions, and institutions such as archives and museums were also established for preserving records.

Those official records of the British administrative offices and government departments are an important source to learn about history; they clearly wrote down every plan, instruction, policy, decision, agreement, and investigation.