"It is our commitment to make Assam foreigners free and corruption free in coming days. We are determined that we will succeed," he said addressing the people after taking oath at a public meeting attended by Prime Minister Narendra Modi, a host of Union ministers, chief ministers and top BJP leaders Amit Shah and L K Advani.
Sonowal said he would not disappoint the people of Assam and would work with every community of the state.
"Assamese, Punjabi, Marwari, Bengali and all other people living in Assam will work together and establish it as a strong and developed state in India. We will work to strengthen the economic prospects of the state," he said.
Referring to Narendra Modi's two years in office at the Centre, Sonowal who was himself a Union minister, said India has progressed at many fronts in this period.
Sonowal also wished speedy recovery of ailing Assam PCC President Anjan Dutta.
Chief Ministers of Punjab, Andhra Pradesh and Madhya Pradesh -- Parkash Singh Badal, Chandrababu Naidu and Shivraj Singh Chouhan respectively -- also spoke on the occasion.