Best way to book in Ginger Hotels

[bulldozer]

Looking for a couple of nights stay in Ginger. Which will be the best way to book to get maximum discounts + rewards?
Directly from their site or the Neu app? Or are there any other options?
Cards that I hold - Tata Neu Infinity, Regalia Gold, Amex Travel and MRCC, Magnus

 

[AakashCJB]

Tata NEU app

 

[sxchzy]

tata neu infinity + tata nue app