Exchange4Media.com: It may be consolidation time in the SEM and SEO space. Silicon Valley-based search engine marketing firm Position2 has acquired an Indian online advertising and marketing solutions company Webshastra for an undisclosed amount. Position2 was set up in 2005 by Rajiv Parikh, founder of Altavista Business Solutions Group, and Soumya Ravi, a qualified Google Adwords professional. It’s funded by Erasmic Consulting, an early stage or seed fund. Webshastra is a six year old interactive marketing firm. Position2 will invest $5 million in India over the next three years.