6799. The Principal’s advice will prove salutary for the students.

✅ The correct answer is option C.
Encouraging : giving someone support or confidence; supportive.

Remarkable : worthy of attention; striking.

Beneficial : resulting in good; favourable or advantageous.

Harmful : causing or likely to cause harm.

Salutary : (especially with reference to something unwelcome or unpleasant) producing good effects; beneficial.

Synonym of Salutary is Beneficial