Mumbai, April 23 -- With all the attention focused on large states such as Uttar Pradesh, Bihar, Maharashtra and West Bengal, people forget that in both 2004 and 2009, it was the election outcome in the then undivided Andhra Pradesh (AP) and neighbouring Tamil Nadu that eventually shaped the national fortunes, giving a fillip to the Congress-led United Progressive Alliance (UPA). However, the historical presence and growth of strong regional parties in both states have meant that the BJP has been unable to carve out a political space for itself....