Chandigarh, Jan. 21 -- The Chandigarh Heritage Conservation Committee (CHCC) on Tuesday approved the revised holistic development proposal for the expansion of the Punjab and Haryana high court, clearing a mandatory hurdle before the plan is sent afresh to UNESCO for approval. As per the revised plan, the total built-up area under the expansion plan will be 10,46,335 square feet, and 40 courtrooms, 48 judges' chambers and office space will come up on 7,03,357 square feet. The proposal also envisages three blocks, each with a maximum height of three floors, along with three underground parking facilities. It also includes dedicated office space for court staff, Advocate General's offices, banks, stationery outlets, restaurants and other al...