Come up with a question and reasoning that would justify this answer: Lord Dalhousie
The question is: The Central Public Works Department of India (Hindi: केंद्रीय लोक निर्माण विभाग), commonly referred to as the CPWD, is a central government owned authority in charge of public sector works. The Central Public Works Department, under the Ministry of Urban Development Now MoHUA (Ministry of Housing and Urban Affairs), builds and maintains public buildings. CPWD came into existence in July 1854 when Lord Dalhousie established a central agency for execution of public works and set up Ajmer Provincial Division. It has now grown into a comprehensive construction management department, which provides services from project concept to completion, and maintenance management.

Answer this question based on the passage: who started the public works department in india 1848?
Step-by-step reasoning process: The relevant information is: CPWD came into existence in July 1854 when Lord Dalhousie established a central agency for execution of public works and set up Ajmer Provincial Division.
