Bioequivalence and Drug - Drug Interaction Study of Metformin/Gliclazide in Healthy Participants

Inclusion Criteria: * Participants has given written informed consent before any study-related activities were carried out * Ethnic origin: Mexicans * Weight between 55 and 95 kilogram (kg) * Body mass index between 18.5 and 27 kilogram per meter square (kg/m\^2) * Not smoking more than 5 cigarettes or 1 cigar or 1 pipe per day (or non smokers) * Good physical and mental health status * Vital signs (blood pressure and pulse) in supine position within the normal range or showing no clinically relevant deviation as judged by the Investigator * Electrocardiogram recording (12-lead) without signs of clinically relevant pathology in particular QTc (Bazett) \<450 milliseconds (ms) * All values for biochemistry and hematology tests of blood and urine within the normal range or showing no clinically relevant deviation as judged by the Investigator * All women of childbearing potential (WOCBP) were not nursing, were not pregnant, and were using highly effective methods of birth control for a period of at least one month before and after dosing * All women of childbearing potential must have negative tests for pregnancy at screening, and at day -1 for each treatment period and at end of trial (EOT) * Negative screen for alcohol and drugs of abuse at Screening and on each admission * Negative screen for Hepatitis B surface (HBs) antigens, Hepatitis C Virus (HCV) antibodies, Hepatitis A Virus (HAV) antibodies and Human Immunodeficiency Virus (HIV) 1 and 2 antibodies * Other protocol defined inclusion criteria could apply Exclusion Criteria: * Participation in a clinical trial within 90 days prior to first drug administration * Participants who have donated more than 500 milliliter (mL) of blood or who have lost significantly (more than 450 mL) blood within 90 days prior to first drug of administration * Any surgical or medical condition, constitutes a risk or a contraindication for the participation of the participant in the study or that could interfere with the study objectives, conduct or evaluation * History of surgery of the gastrointestinal tract * Allergy * Receipt of any prescription or non-prescription medication within 2 weeks before the first study drug administration * Renal failure or renal dysfunction (creatinine clearance less than \[\<\] 80 mL/minute) as assessed by using the estimated measure with the Cockcroft-Gault formula * Known lack of participant compliance or inability to communicate or cooperate with the Investigator * Considerable diet deviations from normal nutritional patterns * Consumption of large quantities of methylxanthine-containing beverages (more than 600 milligram \[mg\] caffeine / day: one cup \[240 mL\] of coffee contains approx. 100 mg of caffeine, one cup of tea approximately 30 mg and one glass of cola approximately 20 mg caffeine) * Consumption of grapefruit, orange, cranberry or juices of these fruits, 14 days prior to drug administration and during the study * Legal incapacity or limited legal capacity * Participants kept in detention * Other protocol defined exclusion criteria could apply