Based on your JEE Mains B.Planning All India Rank of 16,326 and your category being Male-SC, you have a fair chance of getting admission into reputed institutes like the School of Planning and Architecture (SPA) Bhopal and Vijayawada. These institutes offer B.Planning courses and, based on previous years’ JoSAA cutoffs, they have admitted SC category students with ranks similar to yours. You may also have chances in NITs like NIT Calicut and NIT Rourkela, depending on the specific cutoffs for this year and your category rank. Additionally, some GFTIs (Government Funded Technical Institutes) offering B.Planning or related programs may be within reach. Make sure to participate in JoSAA counselling and fill in as many choices as possible to maximize your chances.