The Study Aims to Show Bioequivalence of the Test Product and the Reference Reference Product in a Crossover Design Study Healthy Volunteers. Additionally, the Safeyt Profile of Test Product Compared to Reference Product Will be Assessed.

Inclusion criteria

• Male subjects aged between 18 and 45 years (both inclusive).
• Subjects' weight within the normal range according to normal values for the Body Mass Index (18.5 to 30 kg/m2) with minimum of 50 kg weight.
• Subjects with normal health as determined by personal medical history, clinical examination and laboratory examinations within clinically acceptable normal range.
• Subjects having clinically acceptable 12-lead electrocardiogram (ECG).
• Subjects having clinically acceptable chest X-Ray.
• Subjects having negative urine screen for drugs of abuse (including amphetamines, barbiturates, benzodiazepines, marijuana, cocaine and morphine).
• Subjects having negative alcohol breath test.
• Subjects willing to adhere to the protocol requirements and to provide written informed consent.
• No history or presence of smoking.
• No history or presence of alcoholism and drug of abuse.

Exclusion criteria

• Hypersensitivity to Vildagliptin or related class of drugs.
• History or presence of significant cardiovascular, pulmonary, hepatic, renal, gastrointestinal, endocrine, immunological, dermatological, neurological or psychiatric disease or disorder.
• Any treatment which could bring about induction or inhibition of hepatic microsomal enzyme system within 1 month of the study starting.
• History or presence of asthma, urticaria or other significant allergic reactions.
• History or presence of significant gastric and/or duodenal ulceration.
• History or presence of significant thyroid disease, adrenal dysfunction, organic intracranial lesion such as pituitary tumor.
• History or presence of cancer.
• Difficulty with donating blood.
• Difficulty in swallowing solids like tablets or capsules.
• Use of any prescribed or OTC medication during last two weeks prior to Dosing in Period 01.
• Major illness during 3 months before screening.
• Participation in a drug research study within past 3 months.
• Donation of blood in the past 3 months before screening.
• Positive screening test for any one or more: HIV, Hepatitis B and Hepatitis C.
• History or presence of significant easy bruising or bleeding.
• History or presence of significant recent trauma.
• Subjects who have been on an abnormal diet (for whatever reason) during the four weeks preceding the study.