Secretary of State John Kerry will push India to make it easier for U.S. companies to do business there on a trip next week that also takes him to Europe to meet officials from Oman, Iran and Bulgaria, U.S. officials said on Friday.br br Earlier this week, the State Department said Kerry would travel to India this weekend to attend an investment summit promoted by Indian Prime Minister Narendra Modi and held in the city of Ahmedabad, in Modi's home state of Gujarat.