
"I am glad you still keep my ring which I gave you with all my love and sincerity," she said.
In his reply, Abhisit has pledged not to disappoint his favourite grandma.
"I am 100 per cent committed to serve the country," he said, adding that he would reciprocate her goodwill by doing his job in developing the country.
He also wished her good health.
Nium, a villager from Muang Sam Sip district, Ubon Ratchathani, rose to prominence overnight after Abhisit mentioned her name in his speech on Wednesday following the ceremony to receive the royal command on his appointment.
He said he was reminded about his bond with Isaan people at all times after Nium gave him the ring as a memento for his engagement and commitment to the Northeast.
He met her during his campaign trial for the December 23 general election.