See chapter 'Indian Law' by Mitra Sharafi "This chapter considers what the future holds for the field of Indian legal history, which has burgeoned since the late 1990s. It explores opportunities for methodological innovation through digital history, oral history, and collaboration between scholars. These approaches promise to counterbalance certain patterns that have developed to date, particularly the heavy reliance on written English-language records from the colonial period."
Four Law Commissions
First: 1835–1843 (East India)
Second: 1853–1858
Third: 1861–1870
Fourth: 1879–1884
The Official Papers collection on Floor 0 should have their reports in the series called House of Commons Papers, Accounts and Papers
Holders of an Oxford Single Sign On can access these online via UK Parliamentary papers database (link below). This database can also be used to identify the particular volume needed in the Official Papers Collection. (In its section House of Commons Parliamentary Papers 19th century subject index.)
SOLO searches may reveal other parts of the Bodleian such as the Social Science and History Libaries have useful works on the wider setting