 The Meghna Helibridge along with the Tangail Airdrop on 11 December ensured that these positions were by-passed, capturing the approaches to Dhaka.Moreover, the Pakistani garrison at Ashuganj was effectively put under siege, facing the Indian Army at Brahmanbaria and at Raipura.The Tangail Airdrop a day later denied the Pakistani 93 Brigade the sanctuary of Dhaka.