Lokesh Chandra Chary

Devi Sea Foods: Integrated SAP ERP with ClearTax API for real-time e-invoice and e-way bill generation. Customized SAP SmartForms and Adobe forms with QR codes and IRN details. Developed logic for exports, LUT-based transactions, and dynamic tax scenarios. Validated GSTIN structure and performed error handling.

● HBL (HBL Power Systems Ltd.): Implemented full-scale E-Invoice and E-Way Bill automation in SAP SD. Created custom Z-programs for batch processing of B2B invoices, with IRN generation. Enabled digital signature and document archiving. Handled SEZ and export-specific business rules for GST compliance.

● Omya Chemicals:Built flexible E-Invoice integration for multiple GSTINs under one PAN. Configured dynamic tax logic for chemical goods. Developed custom logs and dashboards for API response monitoring. Integrated Part A and Part B of the E-Way Bill into the SAP delivery process.

Inabata India Solutions Pvt. Ltd.: Automated e-invoice lifecycle from billing creation to IRN retrieval. Developed reusable function modules for REST API calls to ClearTax. Configured SAP BADI enhancements for custom validation during invoice posting. Designed fallback mechanisms for failed IRN submissions.

● Indian School of Business (ISB): Implemented B2C QR code logic for non-GST, and student-related invoices. Customized Adobe forms for digital/print outputs, with embedded QR codes. Integrated SAP billing with ClearTax for educational service invoices.

Yamuna International Airport: Set up GST-compliant e-invoice and e-way bill processes for infrastructure billing. Designed SAP enhancements for project-based GST location tagging. Created real-time integration using ABAP proxies for quick IRN turnaround.

● RVNL (Rail Vikas Nigam Limited): Configured E-Way Bill generation in SAP for material and project dispatches. Developed custom screens for vehicle detail entry and tracking. Handled government project-specific tax applicability and exemption logic.

Other Clients (30+ implementations): Acted as an SME for E-Invoice and E-Way Bill integration projects across industries. Delivered scalable solutions for B2B, B2C, export, and deemed export scenarios. Supported SAP versions are ECC and S/4HANA.

• Collaborated with cross-functional teams to define project requirements.
• Integrated third-party APIs to enhance application functionality.

● IGL (Indraprastha Gas Limited): Developed ALV and Interactive ALV reports (SD, HR, MM, FICO). Created Module Pool programs from scratch. Developed BDC programs. Designed and implemented Adobe Forms, enhanced Smart Forms. Debugged production issues and implemented fixes. Enhanced existing functionalities.

● BIRA 91: Resolved production issues in SAP HANA. Developed and maintained workflows. Worked on CDS (Core Data Services) views. Performed HANATIZATION for performance optimization.

● OPaL (ONGC Petro additions Limited): Developed ALV and Interactive ALV reports (SD, HR, MM, FICO). Created Module Pool reports (Outward Gate Pass, Manual Issue Voucher). Developed BDC programs for HR Info types. Designed and implemented Adobe Forms, enhanced Smart Forms. Debugged production issues and implemented fixes. Enhanced existing functionalities.

● Merck KGaA's MBS AM - SSP, my responsibilities included technical AMS support and development using IDOCS SAP Script Forms, userexits, BAPI, and SMARTFORMS. I also focused on the PM Module, where I developed a comprehensive, end-to-end Module Pool Application to enhance and customize the purchase document flow.