| Company Name | Merged With |
| WADI FINANCIERS AND INVT.LTD. | AMBALAL SARABHAI ENTERPRISES LTD. |
| WADI HOLDINGS LTD. | AMBALAL SARABHAI ENTERPRISES LTD. |
| WANDLESIDE NATIONAL CONDUCTORS LTD. | VOLTAS LTD. |
| WARNER HINDUSTAN LTD. | PARKE DAVIS (INDIA) LTD. |
| WARREN METAL INDUSTRIES LTD. | WARSEN TEA LTD. |
| WATERFALL ESTATES LTD. | KOTHARI INDUSTRIAL COPN.LTD. |
| WEST BOKARO LTD. | TATA IRON AND STEEL CO.LTD. |
| WESTERN INSULATED CABLE LTD. | INCAB INDUSTRIES LTD. |
| WHILFENS (INDIA) LTD. | RALLIS INDIA LTD. |
| WHIRLPOOL WASHING MACHINE LTD. | WHIRLPOOL OF INDIA LTD. |
| WHITCO LTD. | AMBALAL SARABHAI ENTERPRISES LTD. |
| WILLIAMSON MAGOR & CO.LTD. | MACNEILL & BARRY CO.LTD. |
| WYETH (INDIA) PVT.LTD. | CYANAMID INDIA LTD. |
| WYETH LABORATORIES LTD. | CYANAMID INDIA LTD. |