Bengaluru: Congress leader Ramalinga Reddy on Friday announced that he will tender his resignation from the post of minister, expressing displeasure over allocation of portfolio.The minister said he wanted the Bengaluru Development portfolio but was made minister for Major and Medium Irrigation projects.The resignation comes after Chief Minister D K Shivakumar allotted the portfolios on Thursday night.Also Read: NDA finalises Rajya Sabha seat sharing in Andhra Pradesh; TDP gets 3 seats, Jana Sena 1"I am resigning from my post because I cannot work against conscience," Reddy said at a press conference here.He said, "How long can I tolerate this humiliation and what else were options before me?"This was a major setback for the Shivakumar government, which came to power on Wednesday.Also Read: Former West Bengal Minister Aroop Biswas's brother Swarup arrestedThe Congress leadership made a last ditch attempt in the middle of the press conference to persuade the disgruntled minister, but he remained firm in his decision.He told the leaders who approached him with the party leadership's message that the time is now lapsed to pay heed to any suggestions.