Answer- C
1) The Ministry of Housing and Urban Affairs (MoHUA) has announced the "Open Data Week" from January 17 to January 21, with the participation of all 100 smart cities.
2) The objective is to encourage a collaborative approach towards making Indian cities "data smart".
3) The Open Data Week will be divided into two parts: the first segment will involve uploading datasets, visualizations, APIs, and data blogs on the Smart Cities Open Data Portal from January 17 to January 20, and the second segment will involve the celebration of "Data Day" by all smart cities on January 21.