Bioequivalence Study to Compare Selexipag 400 Microgram Film Coated Tablets Versus Uptravi® (Selexipag) 400 Microgram Film Coated Tablets

Inclusion Criteria: * Participants aged between 18 to 55 years (both inclusive). * Participants' weight within normal range according to normal values for Body Mass Index (between 18.50 to 30.00 kg/m2) (both inclusive) with minimum of 45 kg weight. * Participants with normal health as determined by personal medical history, clinical examination and laboratory examinations within Predefined site Normal range \[Annexure III\]. * Participants having clinically acceptable 12-lead electrocardiogram (ECG). * Participants having clinically acceptable chest X-Ray (PA view), if taken. * Participants having negative urine screen for drugs of abuse (including amphetamines, barbiturates, benzodiazepines, marijuana, cocaine and morphine). * Participants having negative urine alcohol test / breath alcohol test. * Non-smoker. * Participants willing to adhere to the protocol requirements and to provide written informed consent. * For Male Participants: Participants willing to follow approved birth control methods (a double barrier method) for the duration of the study as judged by the investigator(s), such as (a double barrier method) condom with spermicide, Condom with diaphragm, or abstinence. Participants willing to refrain from donating sperm during the study period * For Female Participants: Female of child bearing potential practicing an acceptable method of birth control for the duration of the study as judged by the investigator(s), such as intrauterine device (IUD), abstinence, bil…