Always capitalize the following:
1. The first word in a sentence. Example : I grew up in India. / She left a message on my phone.
2. The pronoun I.Example : This country is where I dreamed of.
3. The first letter of a proper noun (specific name). Example : David wants to play soccer with us. / I like Coca-Cola.
4. The first letter of months, days, and holidays (but not seasons).Example : / Today is June 8, 2011. / This summer is going to be very hot.