Dressed in his usual saffron attire, he took the oath in Sanskrit.
A teen was allegedly raped by the BJP MLA at his residence in Unnao on June 4, 2017, where she had gone seeking a job.
Mamata Banerjee on Sunday criticised the (BJP) and said that its leaders are using the religious slogan, 'Jai Shri Ram' as their party slogan in a "misconceived manner".
The MP, who is known for making controversial remarks, said the Modi wave of 2014 has turned into a tsunami in 2019 and no one can stop him from becoming the prime minister again.
Known for not mincing his words, Sakshi Maharaj said everyone ignores couples but when rape occurs people demand action.
BJP MP Sakshi Maharaj said children died in a Gorakhpur hospital because oxygen supply was cut off over non-payment of dues.
Sakshi Maharaj again stirred up a controversy on Saturday, saying that it is not acceptable to have four wives and 40 children.
He indirectly blamed Muslims for population boom during a public gathering in Meerut.
Accusing the BJP of fighting elections based on caste and religion, Mittal said it is the only agenda of the saffron party.