Thomas Cook Extra 5% Off Bank Offer on Domestic Holidays Coupon Code September 2024. Discount Coupons are available for SBI, ICICI, HDFC, Kotak Mahindra, Induslnd banks only. Use Promotion Code on payment page to get discount. Thomas Cook Group plc is a British global travel company. Thomas Cook India Ltd (TCIL) is the leading integrated travel and travel related financial services company. It offers Foreign Exchange, Corporate Travel, MICE, Leisure Travel, Insurance, Visa & Passport services and E-Business etc in India. The company set up its first office in India in 1881.