Dear Brijesh, you can try this one yourself (go for free trail) http://azure.microsoft.com/en-gb/

Some other links are here, but have to see, which kind of data set (unstructured) u are searching:

http://www.kdnuggets.com/datasets/index.html

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Stanford Large Network Dataset Collection: http://snap.stanford.edu/data/

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Google Public Data Directory :http://www.google.com/publicdata/directory

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Natural Earth Data : http://www.naturalearthdata.com/downloads/

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Geocomm : http://data.geocomm.com/drg/index.html

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Geonames data: http://www.geonames.org/

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US GIS Data: Available from http://libremap.org/

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Check the links mentioned in this URL :

http://www.quora.com/Where-can-I-find-large-datasets-open-to-the-public

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http://en.wikipedia.org/wiki/Freebase

The Enron email data set for text analysis :

https://www.cs.cmu.edu/~./enron/

There is a often updated collection of the resources with different types of the datasets grouped by the topics https://github.com/caesar0301/awesome-public-datasets. I'm quite sure that you will find a proper collection of data for yourself. How it helps you.

Dear Brijesh, you can try this one yourself (go for free trail) http://azure.microsoft.com/en-gb/

Some other links are here, but have to see, which kind of data set (unstructured) u are searching:

http://www.kdnuggets.com/datasets/index.html

--

Stanford Large Network Dataset Collection: http://snap.stanford.edu/data/

--

Google Public Data Directory :http://www.google.com/publicdata/directory

--

Natural Earth Data : http://www.naturalearthdata.com/downloads/

--

Geocomm : http://data.geocomm.com/drg/index.html

--

Geonames data: http://www.geonames.org/

--

US GIS Data: Available from http://libremap.org/

-------------------

Check the links mentioned in this URL :

http://www.quora.com/Where-can-I-find-large-datasets-open-to-the-public

--------------------------

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Thank you all :)

Hi,

Some datasets:

Kaggle - https://www.kaggle.com/datasets

Amazon Web Services - AWS Public Datasets - https://aws.amazon.com/pt/datasets/?_encoding=UTF8&jiveRedirect=1

Socrata - https://opendata.socrata.com/

Google Public Data sets - https://cloud.google.com/bigquery/public-data/

We added a new apache http access log to github https://github.com/ocatak/apache-http-logs/