Aditi is the daughter of late Akhilesh Kumar Singh, a local strongman and a five-time MLA from the Rae Bareli (Sadar) seat.
Singh is all set to marry the Nawanshahr MLA on November 21 in New Delhi.
The incident was recorded on CCTV cameras installed in the classroom. One of the students was also seen hurling a chair at her.
Manish Singh had unsuccessfully contested the assembly polls in 2017 from Harchandpur seat on a Bahujan Samaj Party ticket.
In the presence of Priyanka Gandhi, senior Congress leaders are expected to guide newly-appointed office bearers on the party's future strategy.
Manish Singh's father Ashok Singh was MLA and twice MP from Rae Bareli.
Congress had boycotted the non-stop 36-hour special session of UP legislature on Gandhi Jayanti.
Congress serves show-cause notice to Rae Bareli MLA Aditi Singh for attending special session of UP assembly
Congress Legislature Party leader Ajay Kumar Lallu has issued the notice asking Aditi Singh to explain her conduct within two days.
Early next year in January, PM Modi will attend the Pravasi Bharatiya Diwas in Varanasi and visit Kumbh as a devotee.
On his first visit to party bastions Rae Bareli and Amethi, the Gandhi scion accused BJP of continuously "lying" and not honouring its promises made to the people.
Adityanath while talking to media, averred that instead of resorting to new lows, the Congress party should focus on development of the nation.
Muttaiah Nadar, a multi-millionaire did not know Hindi and had lost his way after he was intoxicated, but he managed to reach an ashram in Ralpur village in Rae Bareli district.
The incident took place on Wednesday when the ash-pipe exploded due to pressure at the NTPC plant in Unchahar area.
Rahul, who represents the neighbouring Amethi parliamentary constituency, did not want to give the BJP a chance to criticise the family if he had skipped Rae Bareli, said party sources.