Four of six TDP MPs of Rajya Sabha have joined in BJP.
The list includes YS Chowdary, CM Ramesh, TG Venkatesh and GM Rao.
While the first three joined BJP in presence of party's Working President JP Nadda, MP GM Rao to formally join later as he is unwell.
Nadda said that BJP will move forward with Sabka saath, sabka vikas aur sabka vishwas.
TDP President N Chandrababu Naidu responded that crisis is not new to party.
He reiterated that his fight is for Special Category Status & state's interests.