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Sector 6 comprised Rangpur district and part of Dinajpur district. Wing Commander M Khdemul Bashar was the sector commander. The headquarters of the sector was at Burimari near Patgram. The number of soldiers in this sector was 700, which rose to about eleven thousand in December. The five sub-sectors of the sector (and their commanders were: Bhajanpur (Captain Nazrul, later replaced by Squadron leader Sadruddin and Captain Shahriyar); Patgram (initially, some junior commissioned officers of the EPR and later, Captain Matiur Rahman); Sahebganj (Captain Nawazesh Uddin); Mogalhat (Captain Delwar); and Chilahati (Flight Lieutenant Iqbal).
Sector 7 comprised the districts of Rajshahi, Pabna, Bogra and part of Dinajpur district. The sector commander was Major Nazrul Haq, later replaced by Subedar Major A Rab and Kazi Nuruzzaman. The headquarters of the sector was at Taranngapur. About fifteen thousand freedom fighters fought in this sector. The eight sub-sectors of the sector (and their commanders were): Malan (initially some junior commanding officers and later, Captain Mohiuddin Jahangir); Tapan (Major Nazmul Haq, later replaced by some junior commanding officers of the EPR); Mehdipur (Subedar Iliyas, later replaced by Captain Mahiuddin Jahangir); Hamzapur (Captain Idris); Anginabad (a freedom fighter); Sheikhpara (Captain Rashid); Thokrabari (Subedar Muazzam); and Lalgola (Captain Gheyasuddin Chowdhury).
Sector 8 In April 1971, the operational area of the sector comprised the districts of Kushtia, Jessore, Khulna, Barisal, Faridpur and Patuakhali. At the end of May the sector was reconstituted and comprised the districts of Kusthia, Jessore and Khulna districts, Satkhira sub-division, and the northern part of Faridpur district. The sector commander was Major Abu Osman Chowdhury, later replaced by Major MA Manzur. The headquarters of the sector was at Benapole. About ten thousand freedom fighters fought in this sector. The seven sub-sectors of the sector (and their commanders) were: Boyra (Captain Khondakar Nazmul Huda); Hakimpur (Captain Shafiq Ullah); Bhomra (Captain Salahuddin later replaced by Captain Shahabuddin); Lalbazar (Captain AR Azam Chowdhury); Banpur (Captain Mostafizur Rahman); Benapole (Captain Abdul Halim, later replaced by Captain Tawfiq-e-Elahi Chowdhury); and Shikarpur (Captain Tawfiq-e-Elahi Chowdhury, later replaced by Lieutenant Jahangir).
Sector 9 comprised the districts of Barisal and Patuakhali, and parts of the district of Khulna and Faridpur. The sector commander was Major ma jalil, later replaced by Major MA Manzur and Major Joynal Abedin. The three sub-sectors of the sector were: Taki, Hingalganj, and Shamshernagar.
Sector 10 This sector was constituted with the naval commandos. Eight Bengali officers of Pakistan Navy trained in France were the pioneers in forming this force. These officers were Ghazi Mohammad Rahmatullah (Chief Petty Officer), Syed Mosharraf Hossain (Petty Officer), Amin Ullah Sheikh (Petty Officer); Ahsan Ullah (M E-1), AW Chowdhury (RO-1), Badiul Alam (ME-1), AR Miah (EN-1), Abedur Rahman (Steward-1). These eight officers were given special training on the river Jamuna near Delhi under the auspices of the Indian Navy. The force was later commanded by Indian commander MN Sumanta.
Sector 11 comprised the districts of Mymensingh and Tangail, Major M Abu Taher was the sector commander. After Major Taher was seriously wounded in a battle, he was replaced by Squadron Leader Hamidullah. The headquarters of the sector was at Mahendraganj. About twenty five thousand freedom fighters fought in this sector. The eight sub-sectors of the sector (and their commanders) were: Mankarchar (Squadron Leader Hamidullah); Mahendraganj (Lieutenant Mannan); Purakhasia (Lieutenant Hashem); Dhalu (Lieutenant Taher, later replaced by Lieutenant Kamal); Rangra (Matiur Rahman); Shivabari (some junior commanding officers of the EPR); Bagmara (some junior commanding officers of the EPR); and Maheshkhola (a member of the EPR).