Questions

Silvassa is in Dadra and Nagar Haveli.Kavarati is capital of Lakshadweep. Itanagar is capital of Arunachal PradeshThese three were originally included in smart city list.Assam government has sent a proposal for Jorhat to be included in smart city list. But it has not yet been included.

The city Chandigarh, being a union territory is the capital city of both Haryana and Punjab. As it is a union territory it is ruled directly by the central government and not by either states.

I am black gold i.e charcoal. It is black when it is not used and when using it is red due to fire and when used it is in grey color as it becomes ash. 

Brainstorming is an example of a problem solving technique of severe thinking.