The Pakistani plan for a military action which commenced on March 25, 1971 in the then East Pakistan was code-named Operation Searchlight. This is the Operation Searchlight order of battle which was outlined on March 19, 1971 by Major General Khadim Hussain Raja, GOC 14th infantry division, and Major General Rao Farman Ali in the GHQ of Pakistan Army in Dhaka, (then)East Pakistan.
Pakistani order of battle for Operation Searchlight in 1971 Wikipedia
Lt. General Tikka Khan Governor and Chief Martial Law Administrator Major General Iftekhar Janjua – Advisor Major General Shawkat Riza – Advisor Brigadier Gulam Jilani – Chief of Staff MLA HQ Brigadier Nessar Ahmed – Director General EPR14th Infantry Division:
Major General Khadim Hussain Raja – GOC 14th Infantry Division and OC East Pakistan Colonel Staff: Col. Saadullah G.S.O -1 (Operations): Lt. Col Taj Khan G.S.O -1 (Intelligence): Lt. Col Minwari
29th Cavalry - Lt.Col. Sagir Hussain Syeed (detached to Rangpur)
43rd Light Ack Ack – Lt. Col. Shaffat Ali - Dhaka Airport
19th Signal Regiment – Lt. Col. Iftekhar Hussain – Dhaka Cantonment
Company 3rd Commando Battalion – Lt. Col. Z.A. Khan
Army Aviation Squadron #4: 8 Helicopters (4 Mi-4 and 4 Alouette III)
Pakistan Air Force: CO: Air Commodore Enamul Huq
14th Squadron: 20 F-86 Sabers
3 T-33 and 2 Helicopters
Temporary attachment: 4 C-130 Hercules planes and PIA Fokker Friendship Aircraft.
Pakistan Navy: Rear Admiral SharifPNS Jessore (Gunboat) (detached to Khulna)
PNS Comilla (Gunboat)
PNS Sylhet (Gunboat)
Major General Rao Farman Ali: Officer Commanding Dhaka Area57th Infantry Brigade: Brigadier General M. Jahanzeb Arbab
22nd Baluch Regiment: Pilkhana Dhaka
18th Punjab Regiment
32nd Punjab Regiment – Lt. Col. Taj
31st Field Artillery Regiment – Lt. Col. Zahed Hassan
13th Frontier Force Regiment – Reserve and Cantonment Security
53rd Infantry Brigade: Brig. Iqbal Shaffi
31st Punjab – Lt. Col. Sarfraz Ahmed Khan and later Lt Col Riaz Hussain (stationed at Sylhet).
20th Baluch – Lt. Col. SH Fatami (stationed at Chittagong).
53rd Field Artillery – Lt. Col. Yakub Malik ( acting Garrison/Fortress Commander in absence of Brig Iqbal).
3rd Commando Battalion – Lt. Col. Z.A. Khan. (Moved to Dacca for Operation Searchlight).
171st Mortar Battery.
40th Field Ambulance – Lt. Col. A.N.M Jahangir.
Brigade Intelligence Detachment
Chittagong Relief Column: (Brig. Iqbal Shaffi)
24th Frontier Force – Lt. Col Shahpur Khan (after Shahpur fell in action, the command of only infantry battalion in the Column was taken over by Brigadier Iqbal himself).
88th Mortar Battery.
Brigade Signals Detachment.
No Engineering Elements.
CO: Brig. Iqbal Shafi from April when HQ 53 Brigade was airlifted from Comilla, replaced by 107 Brigade (ex 9 Division) on arrival from West Pakistan.
Lt. Col. Abdul Aziz Sheikh: Sector Commander EPR;
Brig Mujamdar - Center Commadant EBR.
20th Baluch – Lt. Col. SH Fatami
Company 31st Punjab
Pakistan Navy: Commodore A.R. Mumtaj - Chittagong Naval Base
PNS Jahangir (destroyer): Commander T.K Khan
PNS Rajshahi (Gunboat)
PNS Balaghat (Patrol boat)
31st Punjab – Lt. Col. Sarfraz Ahmed Khan.
Company in Shamshernagar
Company in Maulavibazar
23rd Infantry Brigade: Brig. Abdullah Khan Malik
20th Field Ambulance – Lt. Col Masud
Brigade Signal & Engineers
23rd Field Artillery – Lt. Col. Shaffi in Saidpur
29th Cavalry – Lt. Col. Sagir Hussain Sayyed
26th Frontier Force – Lt. Col. Hakeem A. Quereshi in Saidpur
25th Punjab – Lt. Col. Shafkat Baluch (detached to Rajshahi)
23rd Field Regiment Company in Bogra: Captain Mohammad Reza
25th Punjab Company in Pabna: Captain Asghar
26th Frontier Force Company in Dinajpur
107th Infantry Brigade: Brig A. R. Durrani
25th Baluch Regiment
24th Field Artillery (elements)
55th Field Artillery
1st Field Ambulance
22nd Frontier Force – Lt Col. Shamsi (detached to Khulna)
Company in Kushtia: Major Shoaib