of the product and also stated that it would be “Software EMI & EMC MIL STD 461F”. The invoice number is relatable to the purchase order. It cannot, therefore, be doubted that the appellant had indicated that the CD which was imported was for the purpose of LRSAM System. It cannot also be said that the appellant had mis-represented or concealed any material facts from the department. Nothing prevented the Customs Officer from calling information from the appellant, in case he had any doubts. Merely because it was a case of self-assessment does not mean that the extended period of limitation could have been invoked. 22. For invoking the extended period of limitation, it has not only to be shown that there was a deliberate mis-statement or mis-representation of facts, but it has to be established that the same was be with an intention to evade payment of duty. 23. The appellant is a Public Sector Undertaking engaged in the manufacture of wide range of electronic products and systems for Army, Navy and Airforce. The appellant was also nominated by the Ministry of Defence as lead integrator for LRSAM System, which have to be installed on Navy Ships as defence equipment. Merely because the software was embedded in the system would not mean that providing a CD containing the software at a subsequent stage for providing support system to the LRSAM System would dis-entitle the appellant to claim exemption from payment of customs duty under the Exemption Notification. The invocation of extended period of limitation is, therefore, not justified. It needs to be noted that the entire demand that has been confirmed is for the extended period. 24. The grounds for imposing penalty under section 114A of the Customs Act are the same grounds enumerated for invoking the extended