Andhra leaders helped Telangana Movement to become stronger

I know your question on the title of this post - that is "how?", Let me explain.
If you really analyze, KCR didn't get wide range support before 9 Dec,2009. None of Congreass and TDP leaders came out and seriously supported his movement that he started 10 days before.

After Central Govt.'s Dec 9th statement, The Coastal Andhra and Seema leaders resigned across party lines in support of United Andhra.
Leaders and People of Telangana realized how strong Costal Andhra and Rayala seema leaders united - they were united across party lines. So they thought that its time to become united and be more stronger.

Whatever the central govt's decision may be, Telengana movement would never stop until Telangana State is realized, I believe.