Ind. Code § 22-9-5-16

Sec. 16. As used in this chapter, "qualified individual with a disability" means an individual with a disability who, with or without reasonable accommodation, can perform the essential functions of the employment position that the individual holds or desires. For the purposes of this chapter, consideration shall be given to the employer's judgment as to what functions of a job are essential, and if an employer has prepared a written description before advertising or interviewing applicants for the job the description shall be considered evidence of the essential functions of the job.