Is it required to write JEE Mains Paper 1 to get into architecture at IIT, or is only Paper 2 enough?

The NTA (National Testing Agency) releases the JEE Main exam pattern on its official website on an annual basis since the exam is conducted twice every year for two Papers I. e. Paper 1 for B.E. / B.Tech and Paper 2 for B.Arch or B. Plan courses in institutes like the Spans (School of Planning and A

Both papers should be attempted for admission into IIT, one should clear those for joining.