Cantonments Act (2 of 1924) , S.185— Notice for demolition of unauthorised constructions - Quashing of - Show cause notice issued alleging that respondents unauthorisedly constructed shop without obtaining permission from competent authority - Survey/inspection report relied on for issuance of show cause notice not furnished to respondents - Order of High Court quashing show cause notice issued mechanically and in casual manner. Constitution of India , Art.226— (Para 11 12)