Lim was captured by the Kempeitai under Major Ōnishi Satoru (大西覺) at a roadblock in Gopeng, Perak around March or April 1944, and taken to the Kempeitai headquarters for interrogation.
He refused to provide the Japanese with any information about Force 136 despite being subjected to torture, and protested against the ill treatment of his comrades in prison.
He fell ill with dysentery and was bedridden by the end of May 1944.
He died in the early hours of 29 June 1944 and was buried behind the Batu Gajah prison compound in an unmarked spot.
After the Japanese surrender, Gan Choo Neo was informed of her husband's death by the priest of St. Andrew's School.
She went to Batu Gajah with her eldest son to bring her husband's remains home.

Lim's remains arrived at the Tanjong Pagar railway station in Singapore on 7 December 1945.
Upon arrival, the hearse was sent off by a large procession of British officers and prominent businessmen from the station to Hock Ann Biscuit Factory in Upper Serangoon Road via Armenian Street.
On the same day, a memorial service for Lim was held at the Tong Teh Library of the Kuomintang Association in Singapore.

A funeral service was held on 13 January 1946 at City Hall.
Lim's remains was transported in a coffin to a hill in MacRitchie Reservoir (coordinates: 1°20'31.76"N 103°49'50.60"E) for burial with full military honours.
Lim was posthumously awarded the rank of Major-General by the Nationalist government of the Republic of China.

The Lim Bo Seng Memorial was unveiled at the Esplanade on 29 June 1954, the 10th anniversary of his death.
There are also places named after Lim, such as Bo Seng Avenue in Thomson, Singapore, and Jalan Lim Bo Seng in Ipoh, Malaysia.
Lim was captured by the Kempeitai under Major Ōnishi Satoru (大西覺) at a roadblock in Gopeng, Perak around March or April 1944, and taken to the Kempeitai headquarters for interrogation. He refused to provide the Japanese with any information about Force 136 despite being subjected to torture, and protested against the ill treatment of his comrades in prison. He fell ill with dysentery and was bedridden by the end of May 1944. He died in the early hours of 29 June 1944 and was buried behind the Batu Gajah prison compound in an unmarked spot. After the Japanese surrender, Gan Choo Neo was informed of her husband's death by the priest of St. Andrew's School. She went to Batu Gajah with her eldest son to bring her husband's remains home.
Lim's remains arrived at the Tanjong Pagar railway station in Singapore on 7 December 1945. Upon arrival, the hearse was sent off by a large procession of British officers and prominent businessmen from the station to Hock Ann Biscuit Factory in Upper Serangoon Road via Armenian Street. On the same day, a memorial service for Lim was held at the Tong Teh Library of the Kuomintang Association in Singapore.
A funeral service was held on 13 January 1946 at City Hall. Lim's remains was transported in a coffin to a hill in MacRitchie Reservoir (coordinates: 1°20'31.76"N 103°49'50.60"E) for burial with full military honours. Lim was posthumously awarded the rank of Major-General by the Nationalist government of the Republic of China.
The Lim Bo Seng Memorial was unveiled at the Esplanade on 29 June 1954, the 10th anniversary of his death. There are also places named after Lim, such as Bo Seng Avenue in Thomson, Singapore, and Jalan Lim Bo Seng in Ipoh, Malaysia.
Lim Bo Seng