Few and far between (idiom): Rare or seldom-seen. (बहुत कम दिखने वाला)

Synonyms: Sporadic, Scarce, Infrequent, Intermittent
Antonyms: Daily, Regular, Frequent
Example: My friend has been few and far between this month.

Uses:

The trend had died out after the last effective IED attack, on an Army bus in July 2008, and the last car bomb attack, again on an Army bus on the very same road, in 2004. IEDs had been rampant earlier but car bombs were few and far between.