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We need to replace ‘was’ with ‘were’ as in the latter part of the sentence it has been mentioned that there were more than one letter exchange and in past tense ‘were’ is used for plural subjects. Hence, ‘there were some letter exchanges’ is correct.
If the subscriber dies, what percentage of the pension is provided to the spouse as a family pension?
Which Indian organization won the GEEF Global WaterTech Award for 'Water Department of the Year' at the Global Water Tech Summit 2024?
Which regulatory body imposed fines on Axis Bank and HDFC Bank for failing to adhere to specific guidelines?
What is the primary focus of AgriHub, the AI-driven Center of Excellence launched by MeitY and IIT Indore?
How many Missile Cum Ammunition Barges are planned in the project initiated by the Ministry of Defence and SECON Engineering Projects Pvt Ltd?
Which significant update was announced for the Vizhinjam International Seaport project in Kerala?
Which two Indian cities received Wetland City Accreditation under the Ramsar Convention?