Ashok Kumar Tiwari researches Pāṇinian grammar in पाणिनीयकृत्प्रत्ययार्थनुसन्धानम् (Paninia Kritpratyartha Nusandhanam). This work, published by Hansa Prakashan, Jaipur, provides an investigation into the meanings of 'Krit' suffixes within Pāṇini's grammatical framework.