At least 100 companies of paramilitary forces will arrive in Assam before the two-phase Assembly poll scheduled for next month.
Chief Electoral Officer Hemanta Narzary said the forces would be deployed in all 125 constituencies to maintain law and order for free and fair polls.
The elections will be held in 11,254 polling stations in the first phase on April 4 and in 12,557 polling stations in the second phase on April 11.
A total of 1.81 crore voters will exercise their franchise, he added.
Mr. Narzary said the Election Commission would keep a strict watch on election expenditure by candidates and has demarcated a six-layer process.
There will be an expenditure observer and an additional expenditure observer, a Block Development Office surveillance team, an accounting team, shadow observation, and a static surveillance team.
Besides, one officer will be posted in the Director-General and Police office to report to the Election Commissioner, Mr. Narzary said.