Hi Sriram,
Click on the “regions” tab on this site, which is being developed by the Maryland Ornithological Society, and if you drill down you will find lists and descriptions of good sites in the region of Maryland where you will be visiting.
mdbirdingguide.com
It is a good time for birding (but most times are). It is the beginning of waterfowl migration, and the tail end of land bird migration, especially for sparrows. Plus wintering birds such as juncos and finches, and even a few vagrant snowy owls, are around.
Hope this helps