2) The first respondent/complainant filed C.C.No.19 of 2014 under Section 138 of Negotiable Instruments Act, 1881 (for short “NI Act”). His case is that first accused is a partnership firm conducting business as engineers, builders and contractors and A2 to A4 are its managing partner and partners respectively. While so, accused firm allocated construction work of compound wall, road and drainages at Markapuram site worth Rs.15.17 crores under Letter of Intent (LOI) dated 13.06.2013 to the complainant concern which deals in infrastructure development. Obliging the terms of LOI the complainant deposited EMD and provided bank guarantee. Despite his honouring and fulfilling terms, the accused failed and neglected the agreed terms. The further case of the complainant is that accused issued three cheques bearing Nos.000029, 000030 and 000031 dated 31.07.2013 for Rs.49 lakhs each drawn on HDFC Bank, Nizveedu in favour of complainant but on presentation the cheques were dishonoured. On further repeated requests, A2 to A4 issued another cheque bearing No.004352 dated 30.08.2013 for Rs.50 lakhs drawn on Tamil Nadu Mercantile Bank Limited, Vinukonda, Prakasam District but the same was