iOS 11 Malayalam keyboard is missing a consonant alphabet

Hello Support Team,

I am using iPhone 6 and i have recently updated to iOS 11.0.1. With this version my regional language (Malayalam) keyboard added now in list of available keyboards, but one basic consonant alphabet is missing or I cannot find it. Please find below the ISO 15919 transliteration for the character.

ISO - ṅa

7bit ISO - ;n

Please fix this.

Thanks