Guwahati, Aug. 9: Classmates and colleagues of Olivia Dutta Choudhury, the prime accused in the IndusInd Bank fraud case, recall her as being "smart, sharp and ambitious".

Olivia was today remanded in four days' police custody after being produced in court here this afternoon. She was dressed in a pink-white-yellow churidar and wearing a pair of flat white pumps with her hair tied in a ponytail.

A woman who studied with Olivia at Kendriya Vidyalaya Maligaon here said she knew her as a smart and good-looking girl who could speak fluent English. "She did her matriculation from KV Maligaon in 1999 and completed her higher secondary in the science stream in 2001 from there. She did her graduation from Pandu College," she told The Telegraph.

"During her schooldays, she used to stay with her parents in a rented house at East Maligaon. Her father, a government employee, is no more. She is the younger of two sisters."

"She was from a middle-class Bengali family and her father was from Nalbari district," the classmate added

When Olivia, who is in her early thirties, was arrested in Moradabad in Uttar Pradesh last Sunday, she was accompanied by her seven-month-old daughter, her mother and a maid.

"Her current residence was a luxury apartment at Bagharbari here and her lifestyle was lavish," one of her colleagues said. "Before joining IndusInd Bank nearly six years ago, she worked with ICICI Prudential Life Insurance for a few years," she said.

"When she was working in ICICI Prudential, she got married to a man from Nagaon but they separated soon after. She then married Shankar Sinha, who was till recently with the Gangtok branch of the IndusInd bank," the colleague added.

The police arrested Sinha from New Jalpaiguri on August 2 for his alleged involvement in the fraud.

Olivia was the customer service manager of IndusInd Bank's Bhangagarh branch but her services were terminated when the scam surfaced.

The police said Olivia had allegedly siphoned off nearly Rs 3.7 crore from the accounts of at least four customers. Investigations revealed that she had allegedly transferred the money to her husband's bank count through real time gross settlement (RTGS).

"As we have taken her into custody today, her sustained interrogation is expected to reveal details like how she committed the crime and who else was involved," a police source said.

Public prosecutor Minoti Saikia said Olivia was today produced before the sub-divisional judicial magistrate-1, Kamrup (metro) Subhadra Acharyya. Olivia's counsel S.M. Abdullah said though the police had sought her custody for a week, the court reduced it to four days.