I would say 1,2,and 4 in that order
Answer:
Due to its failure in drafting a new constitution, the CA was dissolved on May 28, 2012 after its original and extended total tenure of four years. The next Nepalese Constituent Assembly elections initially slated for November 22, 2012 were held a year later on November 19, 2013 after being postponed several times.
I think you are looking for a work for it - and this word is "megalopolis"
Some examples of a megalopolis are:
A Taiheyo belt in Japan (with Tokio and Osaka)
Northeast Megalopolis with New York and Boston
Yangze River Delta in China