1. Take a mixture of 1 teaspoon honey and a pinch of finely powdered cinnamon (dalchini) every night regularly.
2. Take ½ teaspoon black cumin (kala jeera) powder and mix it with honey. Eat small quantities of it twice a day.
3. Mix 1 teaspoon each amla root powder and white sesame seed (safed til) powder. Add 1 teaspoon honey and eat every day for a few days.
Use hundred when there is a specific number, and use hundreds when you don't know or can't count how many. This rule also applies to thousand/thousands and million/millions. This skeleton is thousands of years old. This skeleton is three thousand years old.
When saying numbers, always use the singular form:
250 = Two hundred and fifty
Two hundreds and fifty
7,812 = Seven thousand, eight hundred and twelve
Seven thousands, eight hundreds and twelve
$10,000,000 = Ten million dollars
Ten millions of dollars