Counting from zero, plus the round numbers you need first.

• शून्यम्śūnyamzero
• एकम्ekamone
• द्वेdvetwo
• त्रीणिtrīṇithree
• चत्वारिcatvārifour
• पञ्चpañcafive
• षट्ṣaṭsix
• सप्तsaptaseven
• अष्टौaṣṭaueight
• नवnavanine
• दशdaśaten
• विंशतिःviṃśatiḥtwenty
• पञ्चाशत्pañcāśatfifty
• शतम्śatamone hundred