Originally Posted by stut
You could Deccan it from BOM-MAA/CJB, and try UL CJB/MAA-CMB. The UL fares to South India were dirt cheap, when I looked into it last (although far cheaper ex-LK than ex-IN).
You can also try CCJ(Calicut)-CMB or TRV-CMB. They used to be around 100-150 pounds return with Sri Lankan.