Practical notes
it is a government research garden, open Monday to Saturday, roughly 9:30 AM to 5:00 PM, and closed on Sundays and public holidays; entry is nominal to free (confirm at the gate). Come by metro — Botanical Garden station is a two-minute walk. Do not confuse it with the separate Noida Sector 38A city park; this is the national BGIR. Carry water in summer as the paths are long and open. Allow one to two hours; it is one of the few genuinely restful green escapes in busy Noida, and its metro-side location makes it an easy, low-effort add-on to any east-of-Yamuna day out.