what arrangements were done before the war?
The 1st Malaya Infantry Brigade was tasked with defending the approach to the Pair Panjang Ridge. THe 44th Indian Brigade were positioned on their right. A Malay platoon was responsible for the British defenses at Bukit Chandu.
Battle of Pasir Panjang
The 1st Malaya Infantry Brigade, comprising the British 2nd Loyal Regiment under the command of Lieutenant-Colonel Mordaunt Elrington, together with the 1st Malaya Regiment commanded by Lieutenant Colonel J.R.G. Andre, consisted of less than three sections of the Mortar Platoon, Anti-Aircraft Platoon along with the Bren Gun Carrier Platoon under Captain R.R.C. Carter, all of which were held in reserve. These units were tasked with defending the approach to Pasir Panjang Ridge, also known as "The Gap". The 44th Indian Brigade were positioned on their right flank.

A Malay platoon, consisting of 42 soldiers and their officers, commanded by Second Lieutenant Adnan Saidi, was holding a critical part of the British defences at Bukit Chandu. Adnan and his men would take the brunt of the Japanese assault shortly after.
what developments have taken place that led to modern day singapore river UNANSWERABLE which colonial power has ruled here? Britain. which wars have they faced in the past? Battle of Pasir Panjang. when did it happen? 12 to 15 February 1942. between whom did it take place? Between the Allied forces and volunteers of Singapore's population and the Japanese.
wiki:14514461
Battle of Pasir Panjang [SEP] Preparations
The 1st Malaya Infantry Brigade, comprising the British 2nd Loyal Regiment under the command of Lieutenant-Colonel Mordaunt Elrington, together with the 1st Malaya Regiment commanded by Lieutenant Colonel J.R.G. Andre, consisted of less than three sections of the Mortar Platoon, Anti-Aircraft Platoon along with the Bren Gun Carrier Platoon under Captain R.R.C. Carter, all of which were held in reserve. These units were tasked with defending the approach to Pasir Panjang Ridge, also known as "The Gap". The 44th Indian Brigade were positioned on their right flank. A Malay platoon, consisting of 42 soldiers and their officers, commanded by Second Lieutenant Adnan Saidi, was holding a critical part of the British defences at Bukit Chandu.