It is often confusing when to use “continuous” & when to use “continual”. Both adjectives describe duration.

Continuous indicates duration without interruption.
Ex. The continuous humming of the fluorescent lights gave him a headache.

Continual indicates duration that continues over a long period of time, but with intervals of interruption.
Ex. The continual street repair disrupted traffic for nearly two years.

The adverbs continuously and continually preserve the same distinction:
Ex. The child screamed continuously as long as its mother was on the telephone.
In this part of the country it rains continually during April.

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Thanks for sharing d info Raj...

you're welcome Inba