Mrs. Lalthakimi completed her primary education at Kawnpuiah and continued to pursue her middle and high school education at Durtlang. She successfully graduated from Kawnpui Govt. High School. Later, she attended Aizawl North College for her BA degree and subsequently earned a Diploma in Nursing.
Professionally, Lalthakimi worked as a Typist in Mizoram PWD for three years. She then transitioned to the role of Office Assistant for three years in Disciple Society. Later, she served as an Office Assistant in WINA India Bangalore for a duration of two years. In August 2006, she took on the role of a School Nurse at Divine Intervention School and concurrently managed office and account responsibilities. Throughout her career, Lalthakimi has been a dedicated member of Zonuam East Church, serving in various capacities. Her commitment to community service reflects her passion for making a positive impact on the lives of others.