He also took a jibe at Lok Sabha Speaker Meira Kumar, saying despite being a woman, she has given little attention to the plight of women in the region.
"When Jharkhand was part of Bihar, you had plenty of coal but they have consumed the coal. Both the Centre and the state government have done little to improve the power scenario," he said while addressing a public meeting here.
The BJP's Prime Ministerial candidate said while leaders talk of 21st century, Bihar remains in darkness.
"When I became the Chief Minister, Gujarat had a very bad power situation. People requested me to ensure that they get power at least during dinner time. Today there is 24-hour power supply. In villages, people can run internet, television and small factories....How will India progress without power," he said.
While the Centre and the state government blame each other for the scenario, it is the farmer which suffers, he said, adding after the counting of votes, the country and the region will see "spring" of development.
He also attacked Congress for it election manifesto and accused it of lying to the people.
"In 2009, they had promised to bring down price rise in 100 days. This time again, they have made a similar promise. They are indulging in a new experiment of putting chilli powder in people's eyes," he said.
Modi said Congress President Sonia Gandhi should sometimes come out with words of sympathy for the people as she is herself a mother.
Attacking Rahul Gandhi over Congress' decision to replace the party's candidate against him in Vadodara, Modi said though he was elected through primaries, he was denied an opportunity to contest as he is a Dalit.