Grist to the mill(idiom)
(Useful experience, material, or knowledge.)
Hindi meaning:फ़ायदेमंद
Synonyms: Useful, Beneficial, Gainful, Efficacious
Antonyms: Disadvantageous, Harmful
Example: Presence of MS Dhoni has always been Grist to the mill to the Indian Cricket team.
Trick to remember: Wind mill humare desh ke liye Grist to the mill hai. 
