At the end of seven rounds of counting, Jayalalithaa had secured 67,453 votes against CPI candidate C Mahendran's 4,816. Social activist 'Traffic' Ramaswamy had polled 2226 votes.
The early trends put the party supporters in a celebratory mode with many of them thronging the AIADMK headquarters and Jayalalithaa's Poes Garden residence here, raising slogans of 'Puratchi Thalavi Vazhga (Hail revolutionary leader).
Party supporters said today's trends were a 'precursor' to the assembly polls scheduled next year.
During her campaign on June 22 at RK Nagar, Jayalalithaa had not only sought a massive victory for her party, but insisted that it should be a 'precursor' to the next Assembly polls.
Also Read
Referring to her conviction in a disproportionate assets case, in which she was subsequently acquitted, Jayalalithaa had said that there was a situation where she had to step aside as Chief Minister due to a 'politically motivated case,' while insisting that the June 27 bypoll on this constituency was a "compulsion".
She has to fulfil the constitutional requirement of getting elected as MLA within six months of becoming Chief Minister.
Jayalalithaa returned to the top post on May 23 after being acquitted in the disproportionate assets case by the Karnataka High Court.
She had been convicted in the case in September last by a trial court in Bengaluru.