Tata Communications launches mobile VoIP platform for service providersMicromax unveils smartphone that pays users to watch ads; Samsung Galaxy Grand 2 launched for Rs 22,999Social commerce startup enMarkit appoints former JAFCO South Asia head Murli Ravi as non-executive directorReal-time bidding-based ad solutions startup Reduce Data unveils workflow automation tool for agenciesBangalore-based ed-tech startup Mobule in talks for seed fundingAmazon opening its second fulfillment centre in India in Bangalore next monthGoogle set to face Intellectual Ventures in landmark patent trialDropbox snags $250M funding at $10B valuation