Read the following text carefully and answer the questions no. 4 and 5:

Captain Mohiuddin Jahangir was an officer in the Army during the Liberating War of 1971. He was born on 7 March, 1949 at Rahimganj village under Babuganj Thana in Barishal District. He completed his HSC from Barishal BM College. In 1967, he took admission in the department of Statistic in Dhaka University. On October 5, 1967 he joined the armed forces as a cadet in the Pakistan Military Academy. He was Commissioned in the Engineering Corps in 1968. He was promoted to the rank of Captain on August in 1970. He was an officer in sector 7 of the Mukti Bahini. He was given the responsibility to fight at the Chapai Nawabganj border in Rajshahi. On 14 December 1971 he was killed in an attempt to break through the enemy defenses on the bank of the Mahananda River. He was buried near Sona Masjid. In recognition of his valor and sacrifice in the Liberation War. Mohiuddin Jahangir was awarded with the highest state honour of Birsrestho.