Phlogacanthus species- Lal Bagh, Banglore
Flowering Shrub for ID - 111212 - RK: Large Shrub. Pics taken on 09/12/12 in the morning in Lalbagh, Bangalore.
Request ID
Phlogacanthus thyrsiflorus
This is lal basak gaach in bengali....
as the name implies it can be stand in for throat pain, inflammation and cough... being used mostly as an analgesic activity in folk and ayurvedic uses, at least locally in Kolkata...
To me it appears like Red Nongmangkha (Phlogacanthus pubinervis) rather than Nongmangkha (Phlogacanthus thyrsiflorus), if the id at FOI is correct

Sorry, this appears a bit different from other posts & may be Nongmangkha (Phlogacanthus thyrsiflorus) only.
Photographed from Lal Bagh, Bangalore on September 29, 2015. Tentatively identified as Phlogacanthus thyrsiflorus. Please Validate. 
efi page with images at Phlogacanthus thyrsiformis 
Thanks, ..., Similar plant posted from Lalbagh at

Flowering Shrub for ID - 111212 - RK was identified as Phlogacanthus thyrsiformis   
Phlogacanthus thyrsiflorus on efi page is very clear and beautifully
inserted by you.