In a big relief for India, the US has decided not to impose sanctions under its stringent law Countering America's Adversaries Through Sanctions Act (CAATSA) for purchasing S-400 missile systems from Russia.<br />''<br />''After New Delhi's purchase of the S-400 air defence system, there was a threat of US sanctions but the Indian government had always been confident of bypassing these.<br />''<br />''This has been made possible as the US House of Representatives passed a legislative amendment waiving off any punitive sanctions on India under CAATSA.<br />''<br />''The move comes after US House of Representatives approved Indian-origin Congressman Ro Khanna's amendment to the National Defence Authorization Act (NDAA) on Thursday.<br />''<br />''Reacting to the development, Ro Khanna said the move will further strengthen US and India's defence partnership.<br />''<br />''<br />''<br />