Though several areas were inundated in last week's heavy rains, people still managed to post messages seeking help or sharing information about those ready to offer help.
A Twitter user, Shreyasi Ghosh took to the social media to seek help for a pregnant woman in heavily waterlogged Mudichur near Tambaram.
"VERY URGENT. PREGNANT LADY IN LABOUR PAINS. NEED VOLUNTEERS. PLEASE RT.#ChennaiRainsHelp," Shreyasi tweeted from her handle @gshreyasi.
One Sravanti @sravi_sam tweeted: "My heart pains for those women.. Undergoing labour and are giving birth to the little souls in these devastating situations:(#Chennairains)".
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The networks also came in handy for those in low lying areas who sought help from government officials and volunteers.
"@ChennaiCares These are basic necessities essential and medical that are required immediately.#ChennaiRainsHelp," another user wrote, sharing details about essential items.
Users also shared details about availability of milk, water, clothes and towels on social networking sites.