Here is an intreresting report from BBC News.
"India's southern state of Kerala may have hosted the largest gathering of women ever seen on the planet.
Clad in traditional Kerala saris and bearing offerings of food, more than two million women - perhaps more thronged the state capital Trivandrum on Sunday.
The women braved searing heat to offer a special meal at the Attukal temple to Hindu goddess Bhagavathy - one incarnation of the potent goddesses Kali and Saraswati." ...(Cont.)...
More on Bhagavathi from Wikipedia:
"Bhagavathi or Bhagavati (meaning goddess in Sanskrit) is the general way people refer to the Hindu goddesses in the Malayalam language of Kerala. It can be used to refer any of the Hindu goddesses like Durga, Kannaki, Parvati, Saraswati, Lakshmi, Kali etc. Temples of these goddesses are referred to as Bhagavathi temples.
The most famous Bhagavathi Temples in Kerala are Attukal Bhagavathy Temple, "Chottanikkara Bhagavathi Temple", "Kodungallore Bhagavathi Temple", "Kavaserry Bhagavathi Temple" etc. There are some Bhagavathi temples in Alappuzha like Kottamkulangara Bhagavathi Temple, Mullackal Bhagavathy Temple, Pazhaveedu Bhagavathy Temple, etc." ...(Cont.)...