Dear Mandeep Gulati ,

just put at least 36 g of NaCl into 100ml of water:

https://chem.libretexts.org/Bookshelves/Introductory_Chemistry/Introductory_Chemistry_(CK-12)/16%3A_Solutions/16.03%3A_Saturated_and_Unsaturated_Solutions

There is almost no temperature dependence on that amount:

(see Fig. 16.4.1 of)

https://chem.libretexts.org/Bookshelves/Introductory_Chemistry/Introductory_Chemistry_(CK-12)/16%3A_Solutions/16.04%3A_How_Temperature_Influences_Solubility

For the temperature dependence of the relative humidity, please take a look at:

https://www.engineeringtoolbox.com/salt-humidity-d_1887.html

Best regards

G.M.

Thank you Gerhard Martens sir