At a meeting of her party office-bearers and leaders, she claimed the BJP-led NDA government is "losing" its credibility as it is working for capitalists and not for the poor, the Dalits, religious minorities and other deprived sections.
This is the reason the party is losing by-elections in several states, she said.
At a rally in Mau yesterday, BJP president Amit Shah had praised BSP founder Kanshi Ram as "a man with a clear heart" while he had attacked Maywati saying she "has turned BSP into a money-minting machine".
She said the BSP was pursuing humanitarian movement with "small contributions", whereas BJP, Congress and their governments, who take help from capitalists, have become their "slaves".
Mayawati said ruling Samajwadi Party's claims of development were "hollow".
"Quality of most of the new construction works was so poor, it affects their optimum use in public interest. Even then action is not taken against the guilty," she said.
She said BSP's rival parties talk about development and public welfare for political gain.
But in reality they have been dividing the society on caste and religious lines, and indulging in polarisation, misleading campaign and character assassination, she alleged.
In contrast, BSP is a transparent party, she said.
Mayawati also said the recent Union Cabinet reshuffle was an attempt to mislead the people.