Stepping up the attack on the BJP-led government at the Centre, the ruling Congress in Karnataka led by Chief Minister Siddaramaiah will stage a protest in New Delhi on Wednesday, alleging "injustice" to the State in tax devolution and grants-in-aid over the past few years. The protest by all Congress legislators and MPs from the state, including Ministers that comes ahead of the ensuing Lok Sabha polls will begin at 11 am tomorrow at Jantar Mantar in the national capital. The protesters would demand Centre set right the losses allegedly incurred by the Karnataka to the tune of Rs 1.87 lakh crore, during five years under the 15th finance commission. Incidentally, CPI (M) veteran and Kerala Chief Minister Pinarayi Vijayan, along with his Cabinet colleagues will stage a protest in the national capital against the Centre's alleged negligence towards the southern state. Elsewhere, in Kolkata TMC supremo and West Bengal Chief Minister Mamata Banerjee will stage a protest on Friday agains