If any party impressed with the BJP's policies wishes to join the government, "they are welcome", he said.
"We will perform good in the Northeast, very good in West Bengal. We will do good in Odisha and there will be improvement in number of seats in all the states in the south. We will improve in Maharashtra also," the BJP chief said.
Shah said that the party started its election campaign from January 16 and its target was to win the 120 Lok Sabha seats which could not be won the last time.
"We are confident that we will receive good results," he said.
The BJP President said that Modi led a "detailed and positive" campaign and tried to touch every part of the country, addressing a total of 142 election rallies and holding roadshows in many places.