I think this is *Persicaria chinensis* (L.) H. Gross <https://efloraofindia.com/2011/03/20/persicaria-chinensis/>, as per images and details herein.
---------- Forwarded message --------- From: Shantanu <[email protected]> Date: Friday, September 16, 2011 at 8:06:28 PM UTC+5:30 Subject: Wild flower from Neora Valley- for ID To: efloraofindia <[email protected]> Hi this wild flower was seen near Kolakham village (Neora Valley NP area) north Bengal hills...in December 2010. ID of this flower wud be appreciated.... regards Shantanu. -- You received this message because you are subscribed to the Google Groups "efloraofindia" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web, visit https://groups.google.com/d/msgid/indiantreepix/2fdd7a14-2597-45ee-8a0f-a8258be877c9n%40googlegroups.com.
