Her mother, Andrea Brannigan, said her daughter would be 'sadly missed' as 200 locals and foreign nationals gathered in Goa to pay tribute to Ms Mc Laughlin.
The backpacker, who arrived in Goa on February 23, had been at Agonda beach and Patnem beach with friends during her first fortnight in the state.
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She had suffered extensive injuries to her face and head.
Police have arrested Bhagat, a convicted criminal, and he has reportedly confessed, saying he sexually assaulted her and disfigured her with a beer bottle so people would not be able to identify her.
Ms Mc Laughlin (left), who is thought to have lived in Liverpool, had just arrived from the north of the state and had been seen out and about at a party on Monday night at nearby Palolem beach, popular with Western tourists.