The document lists 20 pharmaceutical products produced by Nishchay Lifesciences Inc. that have undergone bioequivalence studies. It includes the product name, active ingredients, dosage form, strength and therapeutic classification for each product. The products cover a range of drug classes including antibiotics, antiulcerants, antidiabetics, anti-malarials, antihypertensives, anticoagulants, psychostimulants, antituberculosis medications, antipyretics, muscle relaxants and antidepressants.