[5] The full bench of the Election Commission headed by Syed Nasim Ahmad Zaidi visited Assam on 21 December 2015.

[10][11] By September 2015, the first phase was completed; over 66.90 lakh (6,690,000) households submitted forms linking themselves to either the NRC of 1951 or any of the electoral rolls prior to 24 March 1971.

[14][15] In May 2015, the historic India–Bangladesh land swap deal was signed, exchanging long-standing territorial enclaves and simplifying the border.

[16] According to the draft electoral rolls published in October 2015, the total number of voters in Assam stands at 1.92 crores (19.2  million).

[19] The Scheduled Tribe population (both ST(Plains) and ST(Hills) combined) in Assam is around 13% of which the Bodo people(an indigenous Assamese community) account for 40% and the Scheduled Caste population is about 7.4% of which the Kaibarta and Jal Keot(both indigenous Assamese communities) combined account for about 36%.

[21] The districts are Dhubri, Goalpara, Barpeta, Morigaon, Nagaon, Hojai, Karimganj, South Salmara–Mankachar, Hailakandi, Darrang and Bongaigaon.

[27] Union Minister and Lakhimpur MP Sarbananda Sonowal was made Assam BJP chief to head their election committee.

[29] (Sonowal had led an effort to have the controversial Illegal Migrants (Determination by Tribunal) (IMDT) Act struck down by the Supreme court of India in December 2006, making deportations easier.

Gandhi announced that Tarun Gogoi would be the chief minister candidate of INC.[37] Demand was growing for giving scheduled tribe (ST) status to six communities – Tai Ahoms, Koch Rajbongshis, Moran, Motok, Sootea and 36 tea tribes (the descendants of tea garden workers settled by British in the state from Chotanagpur plateau in the mid-19th century).

[43] On 28 December 2015, Smriti Irani visited Barak Valley in Assam and accused the Tarun Gogoi government of not doing enough for women's safety.

[44][45] Gogoi accused the National Democratic Alliance (NDA) government of stalling tactics on granting citizenship to refugees from Bangladesh, claiming that they had been persecuted there.

[46] Gogoi said external affairs minister Sushma Swaraj met with businessmen in Assam during her visit instead of talking about the problems and issues confronting the state.

[47] In January 2016, the Gogoi government announced rice prices at Rs 2 per kilogramme and to build all-religion bhawans.

[50][51] Union Home Minister Rajnath Singh visited Assam on 3 January 2016 and said the fencing along the Indo-Bangladesh border would be completed by December 2016.

[60] Ethnic groups of Assam sought ULFA pro-talks faction headed by founding general secretary Anup Chetia to help them receive ST designation.

[61][62] Modi arrived on 5 February to first attend the 85th conference of the Srimanta Sankaradeva Sangha at the erstwhile Ahom capital of Sivasagar.

[63][64][65] Modi dedicated the Assam gas cracker project at Dibrugarh[66] and inaugurated the 2016 South Asian Games in Guwahati on 5 February.

[71] On 6 March 2016, INC allied with Bodo-heartland-based United People's Party in a strategy to counter BJP's alliance with BPF.