Hi Aslam,
There are lot offbeat places to explore in the month of August and here are some of places which I will suggest.
Auli , uttrakhand
Darjeeling, West Bengal
Kausani, Uttarakhand
Panchgani, Maharashtra
Kumarakom, Kerala
Pahalgam, Jammu & Kashmir
Jodhpur, Rajasthan
Kinnaur, Himachal Pradesh
Goa
Mussoorie, uttrakhand