Harappa time excavation sites in Punjab - ASI

http://asi.nic.in/asi_exca_imp_punjab.asp

"Excavation restarts at 6,000-year-old Rakhigarhi"

http://www.sunday-guardian.com/investigation/excavation-restarts-at-6000-year-old-rakhigarhi

"Haryana's Buried City: People in Rakhigarhi discover ancient Harrapan civilisation artefacts whenever it rains"

http://www.dailymail.co.uk/indiahome/indianews/article-2301695/Living-buried-city-The-village-ancient-Harappan-artefacts-uncovered-rains.html

Rakhigarhi

http://rakhigarhi.in/harappan-civilization/

"Can Rakhigarhi, the largest Indus Valley Civilisation site be saved?"

http://articles.economictimes.indiatimes.com/2012-06-03/news/32006465_1_heritage-sites-mound-archaeological-survey

Rakhigarhi in Haryana

http://www.jagranjosh.com/current-affairs/archaeologists-discovered-a-granary-at-rakhigarhi-in-haryana-1399028447-1

Lothal - ASI and other resources

http://asi.nic.in/asi_exca_imp_gujarat.asp

Lothal, a Harappan port town (1955-62) /​ S.R. Rao

http://hindu.com/thehindu/mp/2002/11/20/stories/2002112000450200.htm