thanks for the suggestions avm2806....a couple of problems though....

can you upgrade a cheap economy ticket on kingfisher????i know you have to buy a ticket in 's' class in order to use vouchers....isn't it the same with miles????

i was initially looking at upgrading bru-nyc-bru but the problem here is that there is no guarantee it will get done....as of now the upgrade is not available & jet is very likely to waitlist it till the very end, at which point it may or may not clear....i am pretty confident of one going through but two will be tough....