Chaitra Navratri- celebrated at the onset of spring.  
Marking of 'Hindu New Year ' .

It's a Nine day festival which culminates in Ram Navami , celebration of birth of Lord Ram .

Goddess Shakti is worshipped in nine forms on nine days schedule, according to the Hindu calendar.

Popular in North Indian households.
People usually hold fast on nine days with offerings to the Goddess
to bring peace ,happiness, good health and prosperity!!

It marks the victory of good over evil !!
The festival starts today ,
28th March and will end on 5th April .