Mr. Justice S.S. Chadha, Member—This appeal has arisen out of the order dated 11th December, 1992 of the State Commission, Tamil Nadu at Madras.

2. The complainant who is the respondent before this Commission filed a complaint under Sections 17 and 18 read with Section 13 of the Consumer Protection Act, 1986 before the State Commission, Tamil Nadu. The complainant had established a Guest House for its Directors including the Managing Directors and other Executives of the Company at C-796, New Friends Colony, New Delhi. The job of furnishing and erecting centrally Air-conditioning System both for heating and cooling at the said premises was entrusted to the appellants (opposite parties before the State Commission) in response to their quotation of Rs. 9,68,000/- for establishing the central air-conditioning with cooling and heating, auto controls of 15T Plant with cooling tower, GI sheet, Kirloskar Motors and heavy quality pipe. Detailed specifications are given in the quotation. The second opposite party undertook the work and started fixing the system and units between December, 1988 and March, 1989. It is alleged in the complaint that the opposite parties commenced from 14th