4)  Dipendra massacred his family under some sort of influence, there was no political reason behind it but after the incident took place, new political reasons were born. Gyanendra became the scapegoat of all these mess. Girijia duped him. Despite Gyanendra family's urge to reveal everything clearcut, Girija led committee tried to conceal the truth and hence the wildfire against Gyanendra spread out. 

Other than that all these conspiracy is nothing but talk of the town, mere gossip when you've nothing creative to think about, it starts out. This is it. I don't have sympathy to Gyanendra, but just saying what I think.

Birendra was a great king.